European Microkelvin Platform

Livrables

Access to SAV

Report on Transnational Access to Centre of Low Temperature Physics (CLTP)

Access to UBAS

Report on Transnational Access to Basel Cryolabs

Kick-off meeting

Minutes of the kick-off meeting

Susceptibility thermometer report 2

Report on the prototype and performance of novel magnetic susceptibility thermometer to below 100 µK

Briefing document

Production and distribution of briefing document to Selection Panel

Report to Industrial Board 1

Report on innovation activity to Industrial Board

Communication activity report 2

Report on completed and planned communication activities including outreach

Al drums

Report on groundstate cooling of Al drums

User meeting report 4

Report on user meeting 4

High pressure magnetic susceptibility

Report on setups working under pressures up to 10 GPa for magnetic susceptibility and point-contact spectroscopy

Topological quantum matter

Report on combined rotation with engineered nanofabrication to provide platforms for studying topological quantum matter

NbN sensors

Report on test and calibration of NbN sensors

Cryo-Course report 4

Report on Cryo-Courses and service personnel training

SQUID NMR spectrometer

Report on prototype SQUID NMR spectrometer at ultralow temperatures

DMP update 2

Updated data management plan incorporating consultation with users and industrial partners

SiN and graphene resonators

Report on SiN and graphene resonators realized for ultralow temperature purposes

Cross comparison of different thermometers

Report on a cross comparison of different thermometers in magnetic fields

Scientific Roadmap

Scientific roadmap for ultralow temperature physics

User meeting report 2

Report on user meeting 2

Selection Panel report 1

Summary report of the activities of the Selection Panel to Executive Board

SiN membranes

Report on the realization of SiN membranes with low clamping losses

SQUID multiplexer

Report on SQUID multiplexer utilizing lumpedelement resonators and novel frequencydomain modulation techniques

Communication activity report 3

Report on completed and planned communication activities, including outreach

Selection Panel report 3

Summary report of the activities of the Selection Panel to Executive Board

Access to RHUL

Report on Transnational Access to London Low Temperature Laboratory (LLTL)

Cryo-Course report 3

Report on Cryo-Courses and service personnel training

On-chip cooler

Report on the operation of an onchip cooler in the ultralow temperature regime

3He under nanofluidic confinement

Report on characterization of new phases of superfluid 3He under nanofluidic confinement

Report to General Assembly 1

Report on innovation activity to General Assembly

Measurement speed-up

Report on measurement speed-up possibilities using quantum algorithms

Cryo-Course report 1

Report on Cryo-Courses and service personnel training

Susceptibility thermometer report 1

Report on the prototype and performance of novel magnetic susceptibility thermometer to below 100 µK

On-chip current noise thermometer 2

Report on the prototype of an on-chip current noise thermometer

Transistors

Report on narrowbandgap transistors and superconducting graphene transistors optimized for low noise amplifiers

Thermometers in high magnetic fields 2

Report on novel thermometers for ultralow temperatures in high magnetic fields

Access to ULANC

Report on Transnational Access to Lancaster Low Temperature Physics (LLTP)

Noise thermometer report 1

Report on prototype and performance of current noise thermometers to below 100 µK

User access report 1

Report on user access including analysis by demographic and research community

Taceable temperature measurements

Report on the facility providing access to traceable temperature measurements

New ultrasensitive methods to study glasses

Report on demonstration of new ultrasensitive methods and tools to study glasses at sub10 mK temperatures

Thermometers in high magnetic fields 1

Report on novel thermometers for ultralow temperatures in high magnetic fields

Access to TUW

Report on Transnational Access to Vienna Microkelvin Laboratory (WienKLab)

Quantum fluctuation relations

Report on quantum fluctuation relations and their implications in nanoscale systems

FEM-based design study

Report on detailed FEM-based design study

Quantum metrology

Report on the use of entanglement in quantum metrology

Ultra-sensitive SQUIDs

Report on ultrasensitive SQUID amplifiers with nanosized pickup loops

New devices for quantum fluids

Report on new devices for quantum fluids and their properties in vacuum at 4K

Roadmap report

Report on the EMP Technology Roadmap

User meeting report 1

Report on user meeting 1

Magnon BEC

Report on magnon BEC and MEMSNEMS devices as tools to probe fermionic excitations and surface relaxation centres

On-chip thermometers 1

Report on on-chip thermometers in terms of speed and applicability range

High bandwidth SQUID systems

Report on high bandwidth SQUID systems for spatially resolved NMR measurements

Access to AALTO

Report on Transnational Access to Otaniemi Research Infrastructure for Micro and Nanotechnologies (OtaNano); its Low Temperature Laboratory (LTL), Nanofabrication (Micronova), and Nanomicroscopy Centre (NMC) facilities

Nonobolometers

Report on fast ultrasensitive nanobolometers

Strongly driven quantum systems

Report on thermodynamics of strongly driven quantum systems

Performance of double cooling stage

Report on the performance of the double cooling stage

Cryo-Course report 2

Report on CryoCourses and service personnel training

Equality Plan

Development and implementation of an equality plan.

Noise thermometer report 2

Report on prototype and performance of current noise thermometers to below 100 µK

BASPI 1

Report on sales and development of Basel Precision Instruments spinout

Communication activity report 1

Report on completed and planned communication activities, including outreach

Microcalorimerters

Report on fast ultrasensitive microcalorimeters

User meeting report 3

Report on user meeting 3

Dissemination and exploitation plan update 3

Updated plan for dissemination and exploitation of results

Selection Report 2

Summary report of the activities of the Selection Panel to Executive Board

Performance of interfaces

Report on performance of interfaces adopted

Phase sensitive parametric amplification

Report on phase sensitive parametric amplification using superconducting systems

Report to Industrial Board 2

Report on innovation activity to Industrial Board

Cryo-tools handbook report

Report on Cryo-tools on-line handbook

On-chip thermometers 2

Report on onchip thermometers in terms of speed and applicability range

Quantum Fluids sensing

Report on capabilities of these devices for Quantum Fluids sensing

Dissemination and exploitation plan update 1

Updated plan for dissemination and exploitation of results

Access UHEI

Report on Transnational Access to KIP Low Temperature Laboratory KIP-LTL

Magnetic susceptibility measurement

Report on high-resolution measurement of magnetic susceptibility, also under field-to-temperature ratios of ~10^4 T/K for quantum oscillation measurements

Design of double cooling stage

Report on the design of the double nuclear demagnetisation stage

Robust nuclear stage performance

Report on the comparison of robust nuclear stage performance

User access report 2

Report on user access, including analysis by demographic and research community

Micro-ESR

Report on implementation of micro-ESR at the temperatures down to 1 mK

Parametric amplifiers 1

Report on wide band parametric amplifiers

Ultralow dissipation measurements

Report on ultralow dissipation measurement of electrical and thermal transport

Cavity optomechanics

Report on cavity optomechanics using superfluid 4He in nanofluidic geometry

Access to CNRS

Report on Access to CNRS – Institut Néel - EMP

Nuclear cooling of microcircuits

Report on performance of nuclear cooling microcircuits to the 1 mK regime

Specimen interfaces

Report on the range of specimen interfaces

Read-out schemes for mechanical motion

Report on read-out schemes developed for mechanical motion at ultralow temperature

Dissemination and exploitation plan update 2

Updated plan for dissemination and exploitation of results

On-chip current noise thermometer 1

Report on the prototype of an on-chip current noise thermometer

Primary thermometric reference

Report on a primary thermometric reference based on noise thermometry for traceable ultralow temperatures measurements

DMP update 1

Updated data management plan, incorporating consultation with users and industrial partners

Commercialisation of NbN sensors

Report on plans for commercialisation of NbN sensors

Data Management Plan

Development and implementation of a data management plan.

EMP management

Establish the EMP management office

Nuclear stage design

Nuclear stage design for commercial exploitation

USER access web-portal

Inaugurating the USER access web-portal

Publications

LEGO® Block Structures as a Sub-Kelvin Thermal Insulator

Auteurs: J. M. A. Chawner, A. T. Jones, M. T. Noble, G. R. Pickett, V. Tsepelin, D. E. Zmeev
Publié dans: Scientific Reports, Numéro 9/1, 2019, ISSN 2045-2322
Éditeur: Nature Publishing Group
DOI: 10.1038/s41598-019-55616-7

A 10 mK hermetic cell for eliminating parasitic heating in cryogen-free dilution refrigerators

Auteurs: David Schmoranzer, Sumit Kumar, Sébastien Triqueneaux, Xiao Liu, Thomas Metcalf, Glenn Jernigan, Eddy Collin, Andrew Fefferman
Publié dans: Cryogenics, Numéro 110, 2020, Page(s) 103162, ISSN 0011-2275
Éditeur: Pergamon Press Ltd.
DOI: 10.1016/j.cryogenics.2020.103162

Ultrafast hole spin qubit with gate-tunable spin–orbit switch functionality

Auteurs: Florian N. M. Froning, Leon C. Camenzind, Orson A. H. van der Molen, Ang Li, Erik P. A. M. Bakkers, Dominik M. Zumbühl, Floris R. Braakman
Publié dans: Nature Nanotechnology, Numéro 16, 2021, Page(s) 308-312, ISSN 1748-3395
Éditeur: Nature Publishing Group
DOI: 10.1038/s41565-020-00828-6

Can the displacemon device test objective collapse models?

Auteurs: Lydia A. Kanari-Naish, Jack Clarke, Michael R. Vanner, Edward A. Laird
Publié dans: AVS Quantum Science, Numéro 3, 2021, Page(s) 045603, ISSN 2639-0213
Éditeur: American Institute of Physics
DOI: 10.1116/5.0073626

Quantum bath suppression in a superconducting circuit by immersion cooling

Auteurs: M. Lucas, A. V. Danilov, L. V. Levitin, A. Jayaraman, A. J. Casey, L. Faoro, A. Ya. Tzalenchuk, S. E. Kubatkin, J. Saunders, S. E. de Graaf
Publié dans: Nature Communications, Numéro 14, 2023, Page(s) 3522, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-023-39249-z

Dry transfer method for suspended graphene on lift-off-resist: simple ballistic devices with Fabry–Pérot interference

Auteurs: Ying Liu, T S Abhilash, Antti Laitinen, Zhenbing Tan, Guan-jun Liu, Pertti Hakonen
Publié dans: Nanotechnology, Numéro 30/25, 2019, Page(s) 25LT01, ISSN 0957-4484
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1361-6528/ab0d30

Thermal transport of helium-3 in a strongly confining channel

Auteurs: D. Lotnyk, A. Eyal, N. Zhelev, T.S. Abhilash, E.N. Smith, M. Terilli, J. Wilson, E. Mueller, D. Einzel, J. Saunders, J.M. Parpia
Publié dans: Nature Communications, Numéro 11, 2020, Page(s) 4843, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-020-18662-8

High-Q Silicon Nitride Drum Resonators Strongly Coupled to Gates

Auteurs: Xin Zhou, Srisaran Venkatachalam, Ronghua Zhou, Hao Xu, Alok Pokharel, Andrew Fefferman, Mohammed Zaknoune, Eddy Collin
Publié dans: Nano Letters, Numéro 21, 2021, Page(s) 5738–5744, ISSN 1530-6992
Éditeur: ACS Publications
DOI: 10.1021/acs.nanolett.1c01477

Electron–phonon coupling in copper intercalated Bi2Se3

Auteurs: Maciej Wiesner, Kristie Koski, Antti Laitinen, Juuso Manninen, Alexander A. Zyuzin, Pertti Hakonen
Publié dans: Science Reports, Numéro 12, 2022, Page(s) 12097, ISSN 2045-2322
Éditeur: Nature Publishing Group
DOI: 10.1038/s41598-022-15909-w

Pristine quantum criticality in a Kondo semimetal

Auteurs: Wesley T. Fuhrman, Andrey Sidorenko, Jonathan Hänel, Hannes Winkler, Andrey Prokofiev, Jose A. Rodriguez-Rivera, Yiming Qiu, Peter Blaha, Qimiao Si, Collin L. Broholm, Silke Paschen
Publié dans: Science Advances, Numéro 7, 2021, Page(s) eabf9134, ISSN 2375-2548
Éditeur: American Association for the Advancement of Science
DOI: 10.1126/sciadv.abf9134

Mesoscopic quantum thermo-mechanics: A new frontier of experimental physics

Auteurs: Eddy Collin
Publié dans: AVS Quantum Science, Numéro 4, 2022, Page(s) 020501, ISSN 2639-0213
Éditeur: AIP Publishing
DOI: 10.1116/5.0086059

Is the optical conductivity of heavy fermion strange metals Planckian?

Auteurs: Xinwei Li, Junichiro Kono, Qimiao Si, Silke Paschen
Publié dans: Frontiers in Electronic Materials, Numéro 2, 2023, Page(s) 934691, ISSN 2673-9895
Éditeur: Frontiers Media
DOI: 10.3389/femat.2022.934691

Vortex-mediated relaxation of magnon BEC into light Higgs quasiparticles

Auteurs: S. Autti, P. J. Heikkinen, S. M. Laine, J. T. Mäkinen, E. V. Thuneberg, V. V. Zavjalov, V. B. Eltsov
Publié dans: Physical Review Research, Numéro 3, 2021, Page(s) L032002, ISSN 2643-1564
Éditeur: American Physical Society
DOI: 10.1103/physrevresearch.3.l032002

Topologically-imposed vacancies and mobile solid 3He on carbon nanotube

Auteurs: I. Todoshchenko, M. Kamada, J.-P. Kaikkonen, Y. Liao, A. Savin, M. Will, E. Sergeicheva, T. S. Abhilash, E. Kauppinen, P. J. Hakonen
Publié dans: Nature Communications, Numéro 13, 2022, Page(s) 5873, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-022-33539-8

Second spectrum of 1/f noise due to mobility fluctuations: Simulations vs experiments in suspended graphene

Auteurs: Weijun Zeng, Kirsi Tappura, Masahiro Kamada, Antti Laitinen, Heikki Seppä, Pertti Hakonen
Publié dans: Applied Physics Letters, Numéro 123, 2023, Page(s) 013509, ISSN 2331-7019
Éditeur: AIP Publishing
DOI: 10.1063/5.0153467

Beyond linear coupling in microwave optomechanics

Auteurs: D. Cattiaux, X. Zhou, S. Kumar, I. Golokolenov, R. R. Gazizulin, A. Luck, L. Mercier de Lépinay, M. Sillanpää, A. D. Armour, A. Fefferman, and E. Collin
Publié dans: Phys Rev Research, Numéro 2, 2020, Page(s) 033480, ISSN 2643-1564
Éditeur: American Physical Society
DOI: 10.1103/physrevresearch.2.033480

Quantifying dynamics and interactions of individual spurious low-energy fluctuators in superconducting circuits

Auteurs: S. E. de Graaf, S. Mahashabde, S. E. Kubatkin, A. Ya. Tzalenchuk, A. V. Danilov
Publié dans: Physical Review B, Numéro 103, 2021, Page(s) 174103, ISSN 2469-9969
Éditeur: American Physical Society
DOI: 10.1103/physrevb.103.174103

A macroscopic object passively cooled into its quantum ground state of motion

Auteurs: D. Cattiaux, I. Golokolenov, S. Kumar, M. Sillanpää, L. Mercier de Lépinay, R. R. Gazizulin, X. Zhou, A. D. Armour, O. Bourgeois, A. Fefferman, E. Collin
Publié dans: Nature Communications, Numéro 12, 2021, Page(s) 6182, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-021-26457-8

Vortex-bound solitons in topological superfluid 3He

Auteurs: J T Mäkinen, K Zhang, V B Eltsov
Publié dans: Journal of Physics: Condensed Matter, Numéro 35, 2023, Page(s) 214001, ISSN 1361-648X
Éditeur: IOP Publishing
DOI: 10.1088/1361-648x/acc227

How to identify and characterize strongly correlated topological semimetals

Auteurs: Diana M Kirschbaum, Monika Lužnik, Gwenvredig Le Roy, Silke Paschen
Publié dans: Journal of Physics: Materials, Numéro 7, 2024, Page(s) 012003, ISSN 2515-7639
Éditeur: IOP Publishing
DOI: 10.1088/2515-7639/ad0f30

Nonlinear two-level dynamics of quantum time crystals

Auteurs: S. Autti, P.J. Heikkinen, J. Nissinen, J.T. Mäkinen, G. E. Volovik, V. V. Zavyalov, V. B. Eltsov
Publié dans: Nature Communications, Numéro 13, 2022, Page(s) 3090, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-022-30783-w

Noise Thermometry for Ultralow Temperatures

Auteurs: A. Fleischmann, A. Reiser, C. Enss
Publié dans: Journal of Low Temperature Physics, 2020, ISSN 0022-2291
Éditeur: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10909-020-02519-x

Superconductivity in an extreme strange metal

Auteurs: D. H. Nguyen, A. Sidorenko, M. Taupin, G. Knebel, G. Lapertot, E. Schuberth, S. Paschen
Publié dans: Nature Communications, Numéro 12, 2021, Page(s) 4341, ISSN 2041-1723
Éditeur: Nature Publishing Group
DOI: 10.1038/s41467-021-24670-z

Magnetic phase diagram and magnetoelastic coupling of NdB4 studied by high-resolution capacitance dilatometry up to 35 T

Auteurs: R. Ohlendorf, S. Spachmann, L. Fischer, F. L. Carstens, D. Brunt, G. Balakrishnan, O. A. Petrenko, R. Klingeler
Publié dans: Physical Review B, Numéro 108, 2023, Page(s) 224411, ISSN 1095-3795
Éditeur: Americal Physical Society
DOI: 10.1103/physrevb.108.224411

Microstructuring YbRh2Si2 for resistance and noise measurements down to ultra-low temperatures

Auteurs: Alexander Steppke; Sandra Hamann; Markus König; Andrew P Mackenzie; Kristin Kliemt; Cornelius Krellner; Marvin Kopp; Martin Lonsky; Jens Müller; Lev V Levitin; John Saunders; Manuel Brando
Publié dans: New Journal of Physics, Numéro 24, 2022, Page(s) 123033, ISSN 1367-2630
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aca8c6

Acoustic damping of quartz tuning forks in normal and superfluid He 3

Auteurs: A. M. Guénault, R. P. Haley, S. Kafanov, M. T. Noble, G. R. Pickett, M. Poole, R. Schanen, V. Tsepelin, J. Vonka, T. Wilcox, D. E. Zmeev
Publié dans: Physical Review B, Numéro 100/10, 2019, ISSN 2469-9950
Éditeur: American Physical Society
DOI: 10.1103/physrevb.100.104526

Probing superfluid He 4 with high-frequency nanomechanical resonators down to millikelvin temperatures

Auteurs: A. M. Guénault, A. Guthrie, R. P. Haley, S. Kafanov, Yu. A. Pashkin, G. R. Pickett, M. Poole, R. Schanen, V. Tsepelin, D. E. Zmeev, E. Collin, O. Maillet, R. Gazizulin
Publié dans: Physical Review B, Numéro 100/2, 2019, ISSN 2469-9950
Éditeur: American Physical Society
DOI: 10.1103/physrevb.100.020506

Symmetry breaking of the persistent spin helix in quantum transport

Auteurs: Pirmin J. Weigele, D. C. Marinescu, Florian Dettwiler, Jiyong Fu, Shawn Mack, J. Carlos Egues, David D. Awschalom, Dominik M. Zumbühl
Publié dans: Physical Review B, Numéro 101/3, 2020, ISSN 2469-9950
Éditeur: American Physical Society
DOI: 10.1103/physrevb.101.035414

Phase-Driving Hole Spin Qubits

Auteurs: Stefano Bosco, Simon Geyer, Leon C. Camenzind, Rafael S. Eggli, Andreas Fuhrer, Richard J. Warburton, Dominik M. Zumbühl, J. Carlos Egues, Andreas V. Kuhlmann, Daniel Loss
Publié dans: Physical Review Letters, Numéro 131, 2023, Page(s) 197001, ISSN 1079-7114
Éditeur: American Physical Society
DOI: 10.1103/physrevlett.131.197001

Suppressing The Kibble-Zurek Mechanism By A Symmetry-Violating Bias

Auteurs: J. Rysti, J.T. Mäkinen, S. Autti, T. Kamppinen, G.E. Volovik, and V.B. Eltsov
Publié dans: Physical Review Letters, Numéro 127, 2021, Page(s) 115702, ISSN 0003-6951
Éditeur: American Institute of Physics
DOI: 10.1103/physrevlett.127.115702

Probing quantum devices with radio-frequency reflectometry

Auteurs: Florian Vigneau, Federico Fedele, Anasua Chatterjee, David Reilly, Ferdinand Kuemmeth, M. Fernando Gonzalez-Zalba, Edward Laird, Natalia Ares
Publié dans: Applied Physics Reviews, Numéro 10, 2023, Page(s) 021305, ISSN 1931-9401
Éditeur: AIP Publishing LLC
DOI: 10.1063/5.0088229

Critical current fluctuations in graphene Josephson junctions

Auteurs: Mohammad T. Haque, Marco Will, Matti Tomi, Preeti Pandey, Manohar Kumar, Felix Schmidt, Kenji Watanabe, Takashi Taniguchi, Romain Danneau, Gary Steele, Pertti Hakonen
Publié dans: Scientific Reports, Numéro 11, 2021, Page(s) 19900, ISSN 2045-2322
Éditeur: Nature Publishing Group
DOI: 10.1038/s41598-021-99398-3

A graphene resonator as an ultrasound detector for generalized Love waves in a polymer film with two level states

Auteurs: Antti Laitinen, Jukka-Pekka Kaikkonen, Thanniyil S Abhilash, Igor Todoshchenko, Juuso Manninen, Vladislav Zavyalov, Alexander Savin, Andreas Isacsson, Pertti J Hakonen
Publié dans: Journal of Physics D: Applied Physics, Numéro 52/24, 2019, Page(s) 24LT02, ISSN 0022-3727
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1361-6463/ab11a9

Multimode probing of superfluid 4 He by tuning forks

Auteurs: A. Guthrie, R. P. Haley, A. Jennings, S. Kafanov, O. Kolosov, M. Mucientes, M. T. Noble, Yu. A. Pashkin, G. R. Pickett, V. Tsepelin, D. E. Zmeev, V. Efimov
Publié dans: Applied Physics Letters, Numéro 115/11, 2019, Page(s) 113103, ISSN 0003-6951
Éditeur: American Institute of Physics
DOI: 10.1063/1.5121023

Magnetic microcalorimeter with paramagnetic temperature sensors and integrated dc-SQUID readout for high-resolution X-ray emission spectroscopy

Auteurs: Matthäus Krantz, Francesco Toschi, Benedikt Maier, Greta Heine, Christian Enss, and Sebastian Kempf
Publié dans: Applied Physics Letters, Numéro 124, 2024, Page(s) 032601, ISSN 2331-7019
Éditeur: AIP Publishing
DOI: 10.1063/5.0180903

Quantum backaction evading measurements of a silicon nitride membrane resonator

Auteurs: Yulong Liu, Jingwei Zhou, Laure Mercier de Lépinay, Mika A Sillanpää
Publié dans: New Journal of Physics, Numéro 24, 2022, Page(s) 083043, ISSN 1367-2630
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac88ef

Assembly of Arbitrary Designer Heterostructures with Atomically Clean Interfaces

Auteurs: Keda Jin, Tobias Wichmann, Sabine Wenzel, Tomas Samuely, Oleksander Onufriienko, Pavol Szabó, Kenji Watanabe, Takashi Taniguchi, Jiaqiang Yan, F. Stefan Tautz, Felix Lüpke, Markus Ternes, Jose Martinez‐Castro
Publié dans: Advanced Materials Interfaces, Numéro 11, 2023, Page(s) 2300658, ISSN 2196-7350
Éditeur: Wiley
DOI: 10.1002/admi.202300658

Colloquium : Heavy-electron quantum criticality and single-particle spectroscopy

Auteurs: Stefan Kirchner, Silke Paschen, Qiuyun Chen, Steffen Wirth, Donglai Feng, Joe D. Thompson, Qimiao Si
Publié dans: Reviews of Modern Physics, Numéro 92/1, 2020, ISSN 0034-6861
Éditeur: American Physical Society
DOI: 10.1103/revmodphys.92.011002

Quantum device fine-tuning using unsupervised embedding learning

Auteurs: N.M. van Esbroeck, D.T. Lennon, H. Moon, V. Nguyen, F. Vigneau, L.C. Camenzind, L. Yu, D.M. Zumbühl, G.A.D. Briggs, D. Sejdinovic, N. Ares
Publié dans: New Journal of Physics, Numéro 22, 2020, Page(s) 095003, ISSN 1367-2630
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1367-2630/abb64c

Thermal self-oscillations in monolayer graphene coupled to a superconducting microwave cavity

Auteurs: M T Haque, M Will, A Zyuzin, D Golubev, P Hakonen
Publié dans: New Journal of Physics, Numéro 24, 2022, Page(s) 103008, ISSN 1367-2630
Éditeur: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac932c

Maltese cross-type magnetic phase diagrams in Tm1-Yb B12 antiferromagnets with Yb-valence instability and dynamic charge stripes

Auteurs: A. Azarevich, A. Bogach, N. Bolotina, O. Khrykina, N. Shitsevalova, S. Polovets, V. Filipov, S. Gabáni, J. Kačmarčík, K. Flachbart, V. Voronov, N. Sluchanko
Publié dans: Journal of Magnetism and Magnetic Materials, Numéro 574, 2023, Page(s) 170671, ISSN 0304-8853
Éditeur: Elsevier BV
DOI: 10.1016/j.jmmm.2023.170671

Deep reinforcement learning for efficient measurement of quantum devices

Auteurs: V. Nguyen, S. B. Orbell, D. T. Lennon, H. Moon, F. Vigneau, L. C. Camenzind, L. Yu, D. M. Zumbühl, G. A. D. Briggs, M. A. Osborne, D. Sejdinovic, N. Ares
Publié dans: npj Quantum Information, Numéro 7, 2021, Page(s) 100, ISSN 2056-6387
Éditeur: Nature Publishing Group
DOI: 10.1038/s41534-021-00434-x

Broadband lumped-element Josephson parametric amplifier with single-step lithography

Auteurs: T. Elo, T. S. Abhilash, M. R. Perelshtein, I. Lilja, E. V. Korostylev, P. J. Hakonen
Publié dans: Applied Physics Letters, Numéro 114/15, 2019, Page(s) 152601, ISSN 0003-6951
Éditeur: American Institute of Physics
DOI: 10.1063/1.5086091

Sensitive radiofrequency readout of quantum dots using an ultra-low-noise SQUID amplifier

Auteurs: F. J. Schupp, F. Vigneau, Y. Wen, A. Mavalankar, J. Griffiths, G. A. C. Jones, I. Farrer, D. A. Ritchie, C. G. Smith, L. C. Camenzind, L. Yu, D. M. Zumbühl, G. A. D. Briggs, N. Ares, E. A. Laird
Publié dans: Journal of Applied Physics, Numéro 127/24, 2020, Page(s) 244503, ISSN 0021-8979
Éditeur: American Institute of Physics
DOI: 10.1063/5.0005886

Flux ramp modulation based hybrid microwave SQUID multiplexer

Auteurs: Constantin Schuster, Mathias Wegner, Christian Enss, and Sebastian Kempf
Publié dans: Applied Physics Letters, Numéro 120, 2022, Page(s) 162601, ISSN 2331-7019
Éditeur: AIP Publishing
DOI: 10.1063/5.0087994

Developing compact tuning fork thermometers for sub-mK temperatures and high magnetic fields

Auteurs: A. J. Woods, A. M. Donald, R. Gazizulin, E. Collin, L. Steinke
Publié dans: Journal of Applied Physics, Numéro 133, 2023, Page(s) 024501, ISSN 1089-7550
Éditeur: AIP Publishing
DOI: 10.1063/5.0132492

On the origin of the controversial electrostatic field effect in superconductors

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Nonlocal thermoelectricity in a hybrid superconducting graphene device

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Protection of Ising spin-orbit coupling in bulk misfit superconductors

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Extreme in-plane upper critical magnetic fields of heavily doped quasi-two-dimensional transition metal dichalcogenides

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Misfit Layer Compounds: A Platform for Heavily Doped 2D Transition Metal Dichalcogenides

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Progress in Cooling Nanoelectronic Devices to Ultra-Low Temperatures

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Self-aligned gates for scalable silicon quantum computing

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Zeeman-driven superconductor-insulator transition in strongly disordered MoC films: Scanning tunneling microscopy and transport studies in a transverse magnetic field

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Acoustic emission in bulk normal and superfluid 3He

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Microwave single-tone optomechanics in the classical regime

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Crystal-field states and defect levels in candidate quantum spin ice Ce2Hf2O7

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Shot noise in a strange metal

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Visualization by scanning SQUID microscopy of the intermediate state in the superconducting Dirac semimetal PdTe2

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Transport of bound quasiparticle states in a two-dimensional boundary superfluid

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On the nature of decoherence in quantum circuits: Revealing the structural motif of the surface radicals in α-Al2O3

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Pulsed electron spin resonance of an organic microcrystal by dispersive readout

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Sensitivity of a DC SQUID with a non-sinusoidal current-phase relation in its junctions

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Unveiling the double-peak structure of quantum oscillations in the specific heat

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Protocol for temperature sensing using a three-level transmon circuit

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Design evaluation of serial and parallel sub-mK continuous nuclear demagnetization refrigerators

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Radio frequency Coulomb-blockade thermometry

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Specific heat of thin phonon cavities at low temperature: Very high values revealed by zeptojoule calorimetry

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Integration of maXs-type microcalorimeter detectors for high-resolution x-ray spectroscopy into the experimental environment at the CRYRING@ESR electron cooler

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Optimized emulation of quantum magnetometry via superconducting qubits

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Out-of-plane corrugations in graphene based van der Waals heterostructures

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Control of electronic topology in a strongly correlated electron system

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Remote Doping of Scalable Nanowire Branches

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Evidence for a Spatially Modulated Superfluid Phase of He 3 under Confinement

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Experimental demonstration of robustness under scaling errors for superadiabatic population transfer in a superconducting circuit

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Towards an Intrinsic Doppler Correction for X-ray Spectroscopy of Stored Ions at CRYRING@ESR

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Thermal Transport in Nanoelectronic Devices Cooled by On-Chip Magnetic Refrigeration

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Supercooling of the A phase of 3He

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Nanomechanical damping via electron-assisted relaxation of two-level systems

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Nano-beam clamping revisited

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SQUID noise thermometers with lithographically defined metal sensing elements

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High-Performance Cryogen-Free Platform for Microkelvin-Range Refrigeration

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Dispersion relation of Landau elementary excitations and thermodynamic properties of superfluid He4

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Broadband Continuous-Variable Entanglement Generation Using a Kerr-Free Josephson Metamaterial

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On the link between mechanics and thermal properties: mechanothermics

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Influence of device non-uniformities on the accuracy of Coulomb blockade thermometry

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Flux ramp modulation based MHz frequency-division dc-SQUID multiplexer

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Dimensional control of tunneling two-level systems in nanoelectromechanical resonators

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Cryogenic hyperabrupt strontium titanate varactors for sensitive reflectometry of quantum dots

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Properties of the 100 kHz Quartz Tuning Forks in Strong Magnetic Fields and Very Low Temperatures

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Geometrical nonlinearity of circular plates and membranes: An alternative method

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Edge-State Wave Functions from Momentum-Conserving Tunneling Spectroscopy

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Reflection-enhanced gain in traveling-wave parametric amplifiers

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Geometric Frustration on the Trillium Lattice in a Magnetic Metal-Organic Framework

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Microwave Optomechanically Induced Transparency and Absorption Between 250 and 450 mK

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Atomically Layered Helium Films at Ultralow Temperatures: Model Systems for Realizing Quantum Materials

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Closed-Form Weak Localization Magnetoconductivity in Quantum Wells with Arbitrary Rashba and Dresselhaus Spin-Orbit Interactions

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Development of a novel calorimetry setup based on metallic paramagnetic temperature sensors

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NMR-like effect on the anisotropic magnetic moment of surface bound states in the topological superfluid He 3 − B

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Strong magnetoresistance in a graphene Corbino disk at low magnetic fields

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Measurement of the Th 229 Isomer Energy with a Magnetic Microcalorimeter

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Isotropic and Anisotropic g-Factor Corrections in GaAs Quantum Dots

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Producing and imaging quantum turbulence via pair-breaking in superfluid He3−B

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Topological nodal line in superfluid 3He and the Anderson theorem

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Bolometer operating at the threshold for circuit quantum electrodynamics

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Niobium Nitride Thin Films for Very Low Temperature Resistive Thermometry

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Electrical Low-Frequency 1/fgamma Noise Due to Surface Diffusion of Scatterers on an Ultra-low-Noise Graphene Platform

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Evidence of symmetry lowering in antiferromagnetic metal TmB12 with dynamic charge stripes

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Progress on Levitating a Sphere in Cryogenic Fluids

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Disorder- and magnetic field–tuned fermionic superconductor-insulator transition in MoN thin films: Transport and scanning tunneling microscopy

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Quantum criticality enabled by intertwined degrees of freedom

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Charge-sensing of a Ge/Si core/shell nanowire double quantum dot using a high-impedance superconducting resonator

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Fragility of surface states in topological superfluid 3He

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Cooling low-dimensional electron systems into the microkelvin regime

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Suppression of 1/f noise in graphene due to anisotropic mobility fluctuations induced by impurity motion

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Very low resistance Al/Cu joints for use at cryogenic temperatures

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Microkelvin electronics on a pulse-tube cryostat with a gate Coulomb-blockade thermometer

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High mobility SiMOSFETs fabricated in a full 300 mm CMOS process

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Nanoscale real-time detection of quantum vortices at millikelvin temperatures

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Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters

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Experimental evaluation of thermal rectification in a ballistic nanobeam with asymmetric mass gradient

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Magnetic ordering in Co2+-containing layered double hydroxides via the low-temperature heat capacity and magnetisation study

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On-chip Thermometry for Microwave Optomechanics Implemented in a Nuclear Demagnetization Cryostat

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YbPd2In: A promising candidate for strong entropy accumulation at very low temperature

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Generation and Structuring of Multipartite Entanglement ina Josephson Parametric System

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Enhancement of the optomechanical coupling and Kerr nonlinearity using the Josephson capacitance of a Cooper-pair box

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Effect of boundary condition on Kapitza resistance between superfluid 3He-B and sintered metal

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Detecting a phonon flux in superfluid He 4 by a nanomechanical resonator

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A hole spin qubit in a fin field-effect transistor above 4 kelvin

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Nongalvanic Calibration And Operation Of A Quantum Dot Thermometer

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Design of a system for controlling a levitating sphere in superfluid 3He at extremely low temperatures

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Mechanical Detection of the De Haas–van Alphen Effect in Graphene

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Quartz Tuning Fork as a Parametric Resonator in High Magnetic Fields

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A low-frequency, high-amplitude, torsional oscillator for studies of quantum fluids and solids

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Fast Feedback Control of Mechanical Motion Using Circuit Optomechanics

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"Electronuclear Transition into a Spatially Modulated Magnetic State in <mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline""><mml:mrow><mml:msub><mml:mrow><mml:mi>YbRh</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Si</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math"

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Strong spin-orbit interaction and g-factor renormalization of hole spins in Ge/Si nanowire quantum dots

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105 Pd NMR and NQR study of the cubic heavy fermion system Ce 3 Pd 20 Si 6

Auteurs: I Jakovac, M Horvatić, E F Schwier, A Prokofiev, S Paschen, H Mitamura, T Sakakibara, M S Grbić
Publié dans: Journal of Physics: Condensed Matter, Numéro 32/24, 2020, Page(s) 245601, ISSN 0953-8984
Éditeur: Institute of Physics Publishing
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Macroscopic-ranged proximity effect in graphite

Auteurs: Bruno Cury Camargo, Piotr Gierlowski, Marek Kuzmiak, Ramon Ferreira de Jesus, Oleksandr Onufriienko, Pavol Szabo, Yakov Kopelevich
Publié dans: Journal of Physics: Condensed Matter, Numéro 33, 2021, Page(s) 495602, ISSN 1361-648X
Éditeur: IOP Publishing
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Transport and Phonon Damping in $$^{4}$$He

Auteurs: K. Beauvois, H. Godfrin, E. Krotscheck, R. E. Zillich
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Coupling Capacitively Distinct Mechanical Resonators for Room-Temperature Phonon-Cavity Electromechanics

Auteurs: Alok Pokharel, Hao Xu, Srisaran Venkatachalam, Eddy Collin, Xin Zhou
Publié dans: Nano Letters, Numéro 22, 2022, Page(s) 7351-7357, ISSN 1530-6984
Éditeur: American Chemical Society
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Vacuum-induced correlations in superconducting microwave cavity under multiple pump tones

Auteurs: T. Korkalainen, I. Lilja, M. R. Perelshtein, K. V. Petrovnin, G. S. Paraoanu, P. J. Hakonen
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Éditeur: American Institute of Physics
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Quantum phases driven by strong correlations

Auteurs: Silke Paschen, Qimiao Si
Publié dans: nature reviews physics, Numéro 3, 2021, Page(s) 9-26, ISSN 2522-5820
Éditeur: Springer Nature
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Electron-phonon coupling of epigraphene at millikelvin temperatures measured by quantum transport thermometry

Auteurs: Bayan Karimi, Hans He, Yu-Cheng Chang, Libin Wang, Jukka P. Pekola, Rositsa Yakimova, Naveen Shetty, Joonas T. Peltonen, Samuel Lara-Avila, Sergey Kubatkin
Publié dans: Applied Physics Letters, Numéro 118, 2021, Page(s) 103102, ISSN 0003-6951
Éditeur: American Institute of Physics
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Superconducting aluminum heat switch with 3 nΩ equivalent resistance

Auteurs: James Butterworth, Sébastien Triqueneaux, Šimon Midlik, Ilya Golokolenov, Anne Gerardin, Thibaut Gandit, Guillaume Donnier-Valentin, Johannes Goupy, M. Keith Phuthi, David Schmoranzer, Eddy Collin, Andrew Fefferman
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Éditeur: American Institute of Physics
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Fully suspended nano-beams for quantum fluids

Auteurs: Ilya Golokolenov, Baptiste Alperin, Bruno Fernandez, Andrew Fefferman, Eddy Collin
Publié dans: Journal of Low Temperature Physics, Numéro 210, 2023, Page(s) 550–561, ISSN 0022-2291
Éditeur: Kluwer Academic/Plenum Publishers
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Thermodynamics of a single mesoscopic phononic mode

Auteurs: Ilya Golokolenov, Arpit Ranadive, Luca Planat, Martina Esposito, Nicolas Roch, Xin Zhou, Andrew Fefferman, and Eddy Collin
Publié dans: PHYSICAL REVIEW RESEARCH, Numéro 5, 2023, Page(s) 013046, ISSN 2643-1564
Éditeur: American Physical Society
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Measuring Magnetic 1/f Noise in Superconducting Microstructures and the Fluctuation-Dissipation Theorem

Auteurs: Matthew Herbst, Andreas Fleischmann, Daniel Hengstler, David Mazibrada, Lukas Münch, Andreas Reifenberger, Christian Ständer, Christian Enss
Publié dans: Superconductor Science and Technology, Numéro 36, 2023, Page(s) 105007, ISSN 1361-6668
Éditeur: IOP Publishing
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Superfluid 4He as a rigorous test bench for different damping models in nanoelectromechanical resonators

Auteurs: T. Kamppinen, J. T. Mäkinen, V. B. Eltsov
Publié dans: Physical Review B, Numéro 107, 2023, Page(s) 014502, ISSN 1095-3795
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Verification of Wiedemann–Franz Law in Silver with Moderate Residual Resistivity Ratio

Auteurs: Marijn Lucas; Lev V. Levitin; Petra Knappová; Ján Nyéki; Andrew Casey; John Saunders
Publié dans: Journal of Low Temperature Physics, 2023, ISSN 0022-2291
Éditeur: Kluwer Academic/Plenum Publishers
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Machine learning enables completely automatic tuning of a quantum device faster than human experts

Auteurs: H. Moon, D. T. Lennon, J. Kirkpatrick, N. M. van Esbroeck, L. C. Camenzind, Liuqi Yu, F. Vigneau, D. M. Zumbühl, G. A. D. Briggs, M. A. Osborne, D. Sejdinovic, E. A. Laird, N. Ares
Publié dans: Nature Communications, Numéro 11/1, 2020, ISSN 2041-1723
Éditeur: Nature Publishing Group
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Investigations of proximity-induced superconductivity in the topological insulator Bi2Te3 by microRaman spectroscopy

Auteurs: D. Kiphart, Y. Harkavyi, K. Balin, J. Szade, B. Mróz, P. Kuświk, S. Jurga, M. Wiesner
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Fundamental dissipation due to bound fermions in the zero-temperature limit

Auteurs: Autti, S.; Haley, R. P.; Jennings, A.; Pickett, G. R.; Schanen, R.; Soldatov, A. A.; Tsepelin, V.; Vonka, J.; Wilcox, T.; Zmeev, D. E.
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Éditeur: Nature Publishing Group
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Fast Tunable High-Q-Factor Superconducting Microwave Resonators

Auteurs: Sumedh Mahashabde, Ernst Otto, Domenico Montemurro, Sebastian de Graaf, Sergey Kubatkin, and Andrey Danilov
Publié dans: PHYSICAL REVIEW APPLIED, Numéro 14, 2020, Page(s) 044040, ISSN 2331-7019
Éditeur: American Physical Society
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Specific Heat of Holmium in Gold and Silver at Low Temperatures

Auteurs: Matthew Herbst, Andreas Reifenberger, Clemens Velte, Holger Dorrer, Christoph E. Düllmann, Christian Enss, Andreas Fleischmann, Loredana Gastaldo, Sebastian Kempf, Tom Kieck, Ulli Köster, Federica Mantegazzini, Klaus Wendt
Publié dans: Journal of Low Temperature Physics, 2020, ISSN 0022-2291
Éditeur: Kluwer Academic/Plenum Publishers
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One-dimensional topological superconductivity in a van der Waals heterostructure

Auteurs: Martinez-Castro, Jose; Wichmann, Tobias; Jin, Keda; Samuely, Tomas; Lyu, Zhongkui; Yan, Jiaqiang; Onufriienko, Oleksander; Szabó, Pavol; Tautz, F. Stefan; Ternes, Markus; Lüpke, Felix
Publié dans: arXiv, 2023, Page(s) 2304.08142, ISSN 2331-8422
Éditeur: ArXiv.org
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Breaking the millikelvin barrier in nanoelectronics

Auteurs: Richard Haley, Jonathan Prance, Dominik Zumbühl
Publié dans: Europhysics News, Numéro 52, 2021, Page(s) 26-29, ISSN 0531-7479
Éditeur: European Physical Society
DOI: 10.1051/epn/2021406

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