European Microkelvin Platform

Risultati finali

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

Pubblicazioni

LEGO® Block Structures as a Sub-Kelvin Thermal Insulator

Autori: J. M. A. Chawner, A. T. Jones, M. T. Noble, G. R. Pickett, V. Tsepelin, D. E. Zmeev
Pubblicato in: Scientific Reports, Numero 9/1, 2019, ISSN 2045-2322
Editore: Nature Publishing Group
DOI: 10.1038/s41598-019-55616-7

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

Autori: David Schmoranzer, Sumit Kumar, Sébastien Triqueneaux, Xiao Liu, Thomas Metcalf, Glenn Jernigan, Eddy Collin, Andrew Fefferman
Pubblicato in: Cryogenics, Numero 110, 2020, Pagina/e 103162, ISSN 0011-2275
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.cryogenics.2020.103162

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

Autori: 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
Pubblicato in: Nature Nanotechnology, Numero 16, 2021, Pagina/e 308-312, ISSN 1748-3395
Editore: Nature Publishing Group
DOI: 10.1038/s41565-020-00828-6

Can the displacemon device test objective collapse models?

Autori: Lydia A. Kanari-Naish, Jack Clarke, Michael R. Vanner, Edward A. Laird
Pubblicato in: AVS Quantum Science, Numero 3, 2021, Pagina/e 045603, ISSN 2639-0213
Editore: American Institute of Physics
DOI: 10.1116/5.0073626

Quantum bath suppression in a superconducting circuit by immersion cooling

Autori: 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
Pubblicato in: Nature Communications, Numero 14, 2023, Pagina/e 3522, ISSN 2041-1723
Editore: 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

Autori: Ying Liu, T S Abhilash, Antti Laitinen, Zhenbing Tan, Guan-jun Liu, Pertti Hakonen
Pubblicato in: Nanotechnology, Numero 30/25, 2019, Pagina/e 25LT01, ISSN 0957-4484
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6528/ab0d30

Thermal transport of helium-3 in a strongly confining channel

Autori: 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
Pubblicato in: Nature Communications, Numero 11, 2020, Pagina/e 4843, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-020-18662-8

High-Q Silicon Nitride Drum Resonators Strongly Coupled to Gates

Autori: Xin Zhou, Srisaran Venkatachalam, Ronghua Zhou, Hao Xu, Alok Pokharel, Andrew Fefferman, Mohammed Zaknoune, Eddy Collin
Pubblicato in: Nano Letters, Numero 21, 2021, Pagina/e 5738–5744, ISSN 1530-6992
Editore: ACS Publications
DOI: 10.1021/acs.nanolett.1c01477

Electron–phonon coupling in copper intercalated Bi2Se3

Autori: Maciej Wiesner, Kristie Koski, Antti Laitinen, Juuso Manninen, Alexander A. Zyuzin, Pertti Hakonen
Pubblicato in: Science Reports, Numero 12, 2022, Pagina/e 12097, ISSN 2045-2322
Editore: Nature Publishing Group
DOI: 10.1038/s41598-022-15909-w

Pristine quantum criticality in a Kondo semimetal

Autori: 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
Pubblicato in: Science Advances, Numero 7, 2021, Pagina/e eabf9134, ISSN 2375-2548
Editore: American Association for the Advancement of Science
DOI: 10.1126/sciadv.abf9134

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

Autori: Eddy Collin
Pubblicato in: AVS Quantum Science, Numero 4, 2022, Pagina/e 020501, ISSN 2639-0213
Editore: AIP Publishing
DOI: 10.1116/5.0086059

Is the optical conductivity of heavy fermion strange metals Planckian?

Autori: Xinwei Li, Junichiro Kono, Qimiao Si, Silke Paschen
Pubblicato in: Frontiers in Electronic Materials, Numero 2, 2023, Pagina/e 934691, ISSN 2673-9895
Editore: Frontiers Media
DOI: 10.3389/femat.2022.934691

Vortex-mediated relaxation of magnon BEC into light Higgs quasiparticles

Autori: S. Autti, P. J. Heikkinen, S. M. Laine, J. T. Mäkinen, E. V. Thuneberg, V. V. Zavjalov, V. B. Eltsov
Pubblicato in: Physical Review Research, Numero 3, 2021, Pagina/e L032002, ISSN 2643-1564
Editore: American Physical Society
DOI: 10.1103/physrevresearch.3.l032002

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

Autori: I. Todoshchenko, M. Kamada, J.-P. Kaikkonen, Y. Liao, A. Savin, M. Will, E. Sergeicheva, T. S. Abhilash, E. Kauppinen, P. J. Hakonen
Pubblicato in: Nature Communications, Numero 13, 2022, Pagina/e 5873, ISSN 2041-1723
Editore: 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

Autori: Weijun Zeng, Kirsi Tappura, Masahiro Kamada, Antti Laitinen, Heikki Seppä, Pertti Hakonen
Pubblicato in: Applied Physics Letters, Numero 123, 2023, Pagina/e 013509, ISSN 2331-7019
Editore: AIP Publishing
DOI: 10.1063/5.0153467

Beyond linear coupling in microwave optomechanics

Autori: 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
Pubblicato in: Phys Rev Research, Numero 2, 2020, Pagina/e 033480, ISSN 2643-1564
Editore: American Physical Society
DOI: 10.1103/physrevresearch.2.033480

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

Autori: S. E. de Graaf, S. Mahashabde, S. E. Kubatkin, A. Ya. Tzalenchuk, A. V. Danilov
Pubblicato in: Physical Review B, Numero 103, 2021, Pagina/e 174103, ISSN 2469-9969
Editore: American Physical Society
DOI: 10.1103/physrevb.103.174103

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

Autori: 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
Pubblicato in: Nature Communications, Numero 12, 2021, Pagina/e 6182, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-021-26457-8

Vortex-bound solitons in topological superfluid 3He

Autori: J T Mäkinen, K Zhang, V B Eltsov
Pubblicato in: Journal of Physics: Condensed Matter, Numero 35, 2023, Pagina/e 214001, ISSN 1361-648X
Editore: IOP Publishing
DOI: 10.1088/1361-648x/acc227

How to identify and characterize strongly correlated topological semimetals

Autori: Diana M Kirschbaum, Monika Lužnik, Gwenvredig Le Roy, Silke Paschen
Pubblicato in: Journal of Physics: Materials, Numero 7, 2024, Pagina/e 012003, ISSN 2515-7639
Editore: IOP Publishing
DOI: 10.1088/2515-7639/ad0f30

Nonlinear two-level dynamics of quantum time crystals

Autori: S. Autti, P.J. Heikkinen, J. Nissinen, J.T. Mäkinen, G. E. Volovik, V. V. Zavyalov, V. B. Eltsov
Pubblicato in: Nature Communications, Numero 13, 2022, Pagina/e 3090, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-022-30783-w

Noise Thermometry for Ultralow Temperatures

Autori: A. Fleischmann, A. Reiser, C. Enss
Pubblicato in: Journal of Low Temperature Physics, 2020, ISSN 0022-2291
Editore: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10909-020-02519-x

Superconductivity in an extreme strange metal

Autori: D. H. Nguyen, A. Sidorenko, M. Taupin, G. Knebel, G. Lapertot, E. Schuberth, S. Paschen
Pubblicato in: Nature Communications, Numero 12, 2021, Pagina/e 4341, ISSN 2041-1723
Editore: 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

Autori: R. Ohlendorf, S. Spachmann, L. Fischer, F. L. Carstens, D. Brunt, G. Balakrishnan, O. A. Petrenko, R. Klingeler
Pubblicato in: Physical Review B, Numero 108, 2023, Pagina/e 224411, ISSN 1095-3795
Editore: Americal Physical Society
DOI: 10.1103/physrevb.108.224411

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

Autori: 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
Pubblicato in: New Journal of Physics, Numero 24, 2022, Pagina/e 123033, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aca8c6

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

Autori: 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
Pubblicato in: Physical Review B, Numero 100/10, 2019, ISSN 2469-9950
Editore: American Physical Society
DOI: 10.1103/physrevb.100.104526

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

Autori: 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
Pubblicato in: Physical Review B, Numero 100/2, 2019, ISSN 2469-9950
Editore: American Physical Society
DOI: 10.1103/physrevb.100.020506

Symmetry breaking of the persistent spin helix in quantum transport

Autori: Pirmin J. Weigele, D. C. Marinescu, Florian Dettwiler, Jiyong Fu, Shawn Mack, J. Carlos Egues, David D. Awschalom, Dominik M. Zumbühl
Pubblicato in: Physical Review B, Numero 101/3, 2020, ISSN 2469-9950
Editore: American Physical Society
DOI: 10.1103/physrevb.101.035414

Phase-Driving Hole Spin Qubits

Autori: 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
Pubblicato in: Physical Review Letters, Numero 131, 2023, Pagina/e 197001, ISSN 1079-7114
Editore: American Physical Society
DOI: 10.1103/physrevlett.131.197001

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

Autori: J. Rysti, J.T. Mäkinen, S. Autti, T. Kamppinen, G.E. Volovik, and V.B. Eltsov
Pubblicato in: Physical Review Letters, Numero 127, 2021, Pagina/e 115702, ISSN 0003-6951
Editore: American Institute of Physics
DOI: 10.1103/physrevlett.127.115702

Probing quantum devices with radio-frequency reflectometry

Autori: Florian Vigneau, Federico Fedele, Anasua Chatterjee, David Reilly, Ferdinand Kuemmeth, M. Fernando Gonzalez-Zalba, Edward Laird, Natalia Ares
Pubblicato in: Applied Physics Reviews, Numero 10, 2023, Pagina/e 021305, ISSN 1931-9401
Editore: AIP Publishing LLC
DOI: 10.1063/5.0088229

Critical current fluctuations in graphene Josephson junctions

Autori: Mohammad T. Haque, Marco Will, Matti Tomi, Preeti Pandey, Manohar Kumar, Felix Schmidt, Kenji Watanabe, Takashi Taniguchi, Romain Danneau, Gary Steele, Pertti Hakonen
Pubblicato in: Scientific Reports, Numero 11, 2021, Pagina/e 19900, ISSN 2045-2322
Editore: 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

Autori: Antti Laitinen, Jukka-Pekka Kaikkonen, Thanniyil S Abhilash, Igor Todoshchenko, Juuso Manninen, Vladislav Zavyalov, Alexander Savin, Andreas Isacsson, Pertti J Hakonen
Pubblicato in: Journal of Physics D: Applied Physics, Numero 52/24, 2019, Pagina/e 24LT02, ISSN 0022-3727
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6463/ab11a9

Multimode probing of superfluid 4 He by tuning forks

Autori: 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
Pubblicato in: Applied Physics Letters, Numero 115/11, 2019, Pagina/e 113103, ISSN 0003-6951
Editore: 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

Autori: Matthäus Krantz, Francesco Toschi, Benedikt Maier, Greta Heine, Christian Enss, and Sebastian Kempf
Pubblicato in: Applied Physics Letters, Numero 124, 2024, Pagina/e 032601, ISSN 2331-7019
Editore: AIP Publishing
DOI: 10.1063/5.0180903

Quantum backaction evading measurements of a silicon nitride membrane resonator

Autori: Yulong Liu, Jingwei Zhou, Laure Mercier de Lépinay, Mika A Sillanpää
Pubblicato in: New Journal of Physics, Numero 24, 2022, Pagina/e 083043, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac88ef

Assembly of Arbitrary Designer Heterostructures with Atomically Clean Interfaces

Autori: 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
Pubblicato in: Advanced Materials Interfaces, Numero 11, 2023, Pagina/e 2300658, ISSN 2196-7350
Editore: Wiley
DOI: 10.1002/admi.202300658

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

Autori: Stefan Kirchner, Silke Paschen, Qiuyun Chen, Steffen Wirth, Donglai Feng, Joe D. Thompson, Qimiao Si
Pubblicato in: Reviews of Modern Physics, Numero 92/1, 2020, ISSN 0034-6861
Editore: American Physical Society
DOI: 10.1103/revmodphys.92.011002

Quantum device fine-tuning using unsupervised embedding learning

Autori: 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
Pubblicato in: New Journal of Physics, Numero 22, 2020, Pagina/e 095003, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/abb64c

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

Autori: M T Haque, M Will, A Zyuzin, D Golubev, P Hakonen
Pubblicato in: New Journal of Physics, Numero 24, 2022, Pagina/e 103008, ISSN 1367-2630
Editore: 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

Autori: A. Azarevich, A. Bogach, N. Bolotina, O. Khrykina, N. Shitsevalova, S. Polovets, V. Filipov, S. Gabáni, J. Kačmarčík, K. Flachbart, V. Voronov, N. Sluchanko
Pubblicato in: Journal of Magnetism and Magnetic Materials, Numero 574, 2023, Pagina/e 170671, ISSN 0304-8853
Editore: Elsevier BV
DOI: 10.1016/j.jmmm.2023.170671

Deep reinforcement learning for efficient measurement of quantum devices

Autori: 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
Pubblicato in: npj Quantum Information, Numero 7, 2021, Pagina/e 100, ISSN 2056-6387
Editore: Nature Publishing Group
DOI: 10.1038/s41534-021-00434-x

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

Autori: T. Elo, T. S. Abhilash, M. R. Perelshtein, I. Lilja, E. V. Korostylev, P. J. Hakonen
Pubblicato in: Applied Physics Letters, Numero 114/15, 2019, Pagina/e 152601, ISSN 0003-6951
Editore: American Institute of Physics
DOI: 10.1063/1.5086091

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

Autori: 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
Pubblicato in: Journal of Applied Physics, Numero 127/24, 2020, Pagina/e 244503, ISSN 0021-8979
Editore: American Institute of Physics
DOI: 10.1063/5.0005886

Flux ramp modulation based hybrid microwave SQUID multiplexer

Autori: Constantin Schuster, Mathias Wegner, Christian Enss, and Sebastian Kempf
Pubblicato in: Applied Physics Letters, Numero 120, 2022, Pagina/e 162601, ISSN 2331-7019
Editore: AIP Publishing
DOI: 10.1063/5.0087994

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

Autori: A. J. Woods, A. M. Donald, R. Gazizulin, E. Collin, L. Steinke
Pubblicato in: Journal of Applied Physics, Numero 133, 2023, Pagina/e 024501, ISSN 1089-7550
Editore: AIP Publishing
DOI: 10.1063/5.0132492

On the origin of the controversial electrostatic field effect in superconductors

Autori: I. Golokolenov, A. Guthrie, S. Kafanov, Yu. A. Pashkin, V. Tsepelin
Pubblicato in: Nature Communications, Numero 12, 2021, Pagina/e 2747, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-021-22998-0

Spectroscopy of Quantum Dot Orbitals with In-Plane Magnetic Fields

Autori: Leon C. Camenzind, Liuqi Yu, Peter Stano, Jeramy D. Zimmerman, Arthur C. Gossard, Daniel Loss, Dominik M. Zumbühl
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Thermal resistance in superconducting flip-chip assemblies

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Rotating quantum wave turbulence

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Defect-induced weak collective pinning in superconducting YB6 crystals

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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

Autori: Tomas Samuely, Darshana Wickramaratne, Martin Gmitra, Thomas Jaouen, Ondrej Šofranko, Dominik Volavka, Marek Kuzmiak, Jozef Haniš, Pavol Szabó, Claude Monney, Geoffroy Kremer, Patrick Le Fèvre, François Bertran, Tristan Cren, Shunsuke Sasaki, Laurent Cari
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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

Autori: Aidar Sultanov, Marko Kuzmanovic, Andrey V. Lebedev, Gheorghe Sorin Paraoanu
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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

Autori: M.R. Perelshtein, K.V. Petrovnin, V. Vesterinen, S. Hamedani Raja, I. Lilja, M. Will, A. Savin, S. Simbierowicz, R.N. Jabdaraghi, J.S. Lehtinen, L. Grönberg, J. Hassel, M.P. Prunnila, J. Govenius, G.S. Paraoanu, P.J. Hakonen
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On the link between mechanics and thermal properties: mechanothermics

Autori: Eddy Collin, Ilya Golokolenov, Olivier Maillet, Laurent Saminadayar, Olivier Bourgeois
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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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Bridging the reality gap in quantum devices with physics-aware machine learning

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Microwave Optomechanically Induced Transparency and Absorption Between 250 and 450 mK

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

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Transport and Phonon Damping in $$^{4}$$He

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Coupling Capacitively Distinct Mechanical Resonators for Room-Temperature Phonon-Cavity Electromechanics

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Vacuum-induced correlations in superconducting microwave cavity under multiple pump tones

Autori: T. Korkalainen, I. Lilja, M. R. Perelshtein, K. V. Petrovnin, G. S. Paraoanu, P. J. Hakonen
Pubblicato in: AIP Conference Proceedings, Numero 2362, 2021, Pagina/e 030001, ISSN 1551-7616
Editore: American Institute of Physics
DOI: 10.1063/5.0055253

Quantum phases driven by strong correlations

Autori: Silke Paschen, Qimiao Si
Pubblicato in: nature reviews physics, Numero 3, 2021, Pagina/e 9-26, ISSN 2522-5820
Editore: Springer Nature
DOI: 10.1038/s42254-020-00262-6

Electron-phonon coupling of epigraphene at millikelvin temperatures measured by quantum transport thermometry

Autori: Bayan Karimi, Hans He, Yu-Cheng Chang, Libin Wang, Jukka P. Pekola, Rositsa Yakimova, Naveen Shetty, Joonas T. Peltonen, Samuel Lara-Avila, Sergey Kubatkin
Pubblicato in: Applied Physics Letters, Numero 118, 2021, Pagina/e 103102, ISSN 0003-6951
Editore: American Institute of Physics
DOI: 10.1063/5.0031315

Superconducting aluminum heat switch with 3 nΩ equivalent resistance

Autori: 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
Pubblicato in: Review of Scientific instruments, Numero 93, 2022, Pagina/e 034901, ISSN 0034-6748
Editore: American Institute of Physics
DOI: 10.1063/5.0079639

Fully suspended nano-beams for quantum fluids

Autori: Ilya Golokolenov, Baptiste Alperin, Bruno Fernandez, Andrew Fefferman, Eddy Collin
Pubblicato in: Journal of Low Temperature Physics, Numero 210, 2023, Pagina/e 550–561, ISSN 0022-2291
Editore: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10909-022-02722-y

Thermodynamics of a single mesoscopic phononic mode

Autori: Ilya Golokolenov, Arpit Ranadive, Luca Planat, Martina Esposito, Nicolas Roch, Xin Zhou, Andrew Fefferman, and Eddy Collin
Pubblicato in: PHYSICAL REVIEW RESEARCH, Numero 5, 2023, Pagina/e 013046, ISSN 2643-1564
Editore: American Physical Society
DOI: 10.1103/physrevresearch.5.013046

Measuring Magnetic 1/f Noise in Superconducting Microstructures and the Fluctuation-Dissipation Theorem

Autori: Matthew Herbst, Andreas Fleischmann, Daniel Hengstler, David Mazibrada, Lukas Münch, Andreas Reifenberger, Christian Ständer, Christian Enss
Pubblicato in: Superconductor Science and Technology, Numero 36, 2023, Pagina/e 105007, ISSN 1361-6668
Editore: IOP Publishing
DOI: 10.1088/1361-6668/acf166

Superfluid 4He as a rigorous test bench for different damping models in nanoelectromechanical resonators

Autori: T. Kamppinen, J. T. Mäkinen, V. B. Eltsov
Pubblicato in: Physical Review B, Numero 107, 2023, Pagina/e 014502, ISSN 1095-3795
Editore: Americal Physical Society
DOI: 10.1103/physrevb.107.014502

Verification of Wiedemann–Franz Law in Silver with Moderate Residual Resistivity Ratio

Autori: Marijn Lucas; Lev V. Levitin; Petra Knappová; Ján Nyéki; Andrew Casey; John Saunders
Pubblicato in: Journal of Low Temperature Physics, 2023, ISSN 0022-2291
Editore: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10909-023-03009-6

Machine learning enables completely automatic tuning of a quantum device faster than human experts

Autori: 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
Pubblicato in: Nature Communications, Numero 11/1, 2020, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-020-17835-9

Investigations of proximity-induced superconductivity in the topological insulator Bi2Te3 by microRaman spectroscopy

Autori: D. Kiphart, Y. Harkavyi, K. Balin, J. Szade, B. Mróz, P. Kuświk, S. Jurga, M. Wiesner
Pubblicato in: Scientific Reports, Numero 11, 2021, Pagina/e 22980, ISSN 2045-2322
Editore: Nature Publishing Group
DOI: 10.1038/s41598-021-02475-w

Fundamental dissipation due to bound fermions in the zero-temperature limit

Autori: Autti, S.; Haley, R. P.; Jennings, A.; Pickett, G. R.; Schanen, R.; Soldatov, A. A.; Tsepelin, V.; Vonka, J.; Wilcox, T.; Zmeev, D. E.
Pubblicato in: nature communications, Numero 11, 2020, Pagina/e 4742, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-020-18499-1

Fast Tunable High-Q-Factor Superconducting Microwave Resonators

Autori: Sumedh Mahashabde, Ernst Otto, Domenico Montemurro, Sebastian de Graaf, Sergey Kubatkin, and Andrey Danilov
Pubblicato in: PHYSICAL REVIEW APPLIED, Numero 14, 2020, Pagina/e 044040, ISSN 2331-7019
Editore: American Physical Society
DOI: 10.1103/physrevapplied.14.044040

Specific Heat of Holmium in Gold and Silver at Low Temperatures

Autori: 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
Pubblicato in: Journal of Low Temperature Physics, 2020, ISSN 0022-2291
Editore: Kluwer Academic/Plenum Publishers
DOI: 10.1007/s10909-020-02531-1

One-dimensional topological superconductivity in a van der Waals heterostructure

Autori: Martinez-Castro, Jose; Wichmann, Tobias; Jin, Keda; Samuely, Tomas; Lyu, Zhongkui; Yan, Jiaqiang; Onufriienko, Oleksander; Szabó, Pavol; Tautz, F. Stefan; Ternes, Markus; Lüpke, Felix
Pubblicato in: arXiv, 2023, Pagina/e 2304.08142, ISSN 2331-8422
Editore: ArXiv.org
DOI: 10.48550/arxiv.2304.08142

Breaking the millikelvin barrier in nanoelectronics

Autori: Richard Haley, Jonathan Prance, Dominik Zumbühl
Pubblicato in: Europhysics News, Numero 52, 2021, Pagina/e 26-29, ISSN 0531-7479
Editore: European Physical Society
DOI: 10.1051/epn/2021406

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