Andreev qubits for scalable quantum computation

Deliverables

Report on the Andreev level spin transitions

Report on InSb nanowires with controlled morphology and crystalline structure
Report on the Quantitative analysis of loss mechanisms and coherence times of the ALQ
Report on Ballistic transport in InSb nanowires as measured by quantized conductance plateaux
Report on microwave spectroscopy of Andreev levels in 2DEGs
Report on the parity lifetime, Tparity of the ALQ and its mitigation techniques
Report on the time-domain spin state readout of the ASQ
Report on Single and double “shadow” junctions with ballistic transport

Report on Single and double shadow junctions with ballistic transport

Report on Full Hamiltonian modelling of the 2-qubit devices

Report on Full Hamiltonian modelling of the 2qubit devices

Report on the Theoretical understanding of the quasiparticle parity lifetimes reported in WP2
Report on InAs/InGaAs/InAlAs planar 2DEGs down to 10nm from the surface with ballistic transport
Report on long range coupling between ASQs
Report on the coupling energy scale between two ALQs

Website and Logo

a logo will be designed for AndQC a website will be set up for communication externally (dissemination) and also internally (organizing events)

Publications

Tunable proximity effects and topological superconductivity in ferromagnetic hybrid nanowires

Author(s): Samuel D. Escribano, Elsa Prada, Yuval Oreg, Alfredo Levy Yeyati
Published in: Physical Review B, Issue 104/4, 2021, ISSN 2469-9950
Publisher: Physical Review B
DOI: 10.1103/physrevb.104.l041404

Spin coherent manipulation in Josephson weak links

Author(s): Javier Cerrillo, M. Hays, V. Fatemi, Alfredo Levy Yeyati
Published in: Physical Review Research, Issue 3/2, 2021, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.3.l022012

Transient dynamics of a magnetic impurity coupled to superconducting electrodes: Exact numerics versus perturbation theory

Author(s): Seoane Souto, R.; Feiguin, A. E.; Martín-Rodero, A.; Yeyati, A. Levy
Published in: Physical Review B, Issue 104, 2021, Page(s) 214506, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.104.214506

Spin Cross-Correlation Experiments in an Electron Entangler

Author(s): Arunav Bordoloi, Valentina Zannier, Lucia Sorba, Christian Schönenberger, Andreas Baumgartner
Published in: Nature, 2022, ISSN 1476-4687
Publisher: Springer
DOI: 10.1038/s41586-022-05436-z

Quantum-Dot Single-Electron Transistors as Thermoelectric Quantum Detectors at Terahertz Frequencies

Author(s): Mahdi Asgari, Dominique Coquillat, Guido Menichetti, Valentina Zannier, Nina Diakonova, Wojciech Knap, Lucia Sorba, Leonardo Viti, Miriam Serena Vitiello
Published in: Nano Letters, Issue 21/20, 2021, Page(s) 8587-8594, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c02022

Andreev Molecule in Parallel InAs Nanowires

Author(s): Olivér Kürtössy, Zoltán Scherübl, Gergö Fülöp, István Endre Lukács, Thomas Kanne, Jesper Nygård, Péter Makk, Szabolcs Csonka
Published in: Nano Letters, Issue 21/19, 2021, Page(s) 7929-7937, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c01956

Excitations in a superconducting Coulombic energy gap

Author(s): Juan Carlos Estrada Saldaña, Alexandros Vekris, Luka Pavešić, Peter Krogstrup, Rok Žitko, Kasper Grove-Rasmussen, Jesper Nygård
Published in: Nature Communications, 2022, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-022-29634-5

Spectroscopy of the local density of states in nanowires using integrated quantum dots

Author(s): Frederick S. Thomas, Malin Nilsson, Carlo Ciaccia, Christian Jünger, Francesca Rossi, Valentina Zannier, Lucia Sorba, Andreas Baumgartner, Christian Schönenberger
Published in: Physical Review B, Issue 104/11, 2021, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.104.115415

Superconducting islands with topological Josephson junctions based on semiconductor nanowires

Author(s): J. Ávila, E. Prada, P. San-Jose, R. Aguado
Published in: Physical Review B, Issue 102/9, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.102.094518

Robust quantum point contact operation of narrow graphene constrictions patterned by AFM cleavage lithography

Author(s): Péter Kun, Bálint Fülöp, Gergely Dobrik, Péter Nemes-Incze, István Endre Lukács, Szabolcs Csonka, Chanyong Hwang, Levente Tapasztó
Published in: npj 2D Materials and Applications, Issue 4/1, 2020, ISSN 2397-7132
Publisher: Nature
DOI: 10.1038/s41699-020-00177-x

Observation of spin–orbit coupling induced Weyl points in a two-electron double quantum dot

Author(s): Zoltán Scherübl, András Pályi, György Frank, István Endre Lukács, Gergő Fülöp, Bálint Fülöp, Jesper Nygård, Kenji Watanabe, Takashi Taniguchi, Gergely Zaránd, Szabolcs Csonka
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
Publisher: Nature
DOI: 10.1038/s42005-019-0200-2

Semiconductor-ferromagnet-superconductor planar heterostructures for 1D topological superconductivity

Author(s): Samuel D. Escribano; Andrea Maiani; Martin Leijnse; Karsten Flensberg; Yuval Oreg; Alfredo Levy Yeyati; Elsa Prada; Rubén Seoane Souto
Published in: npj Quantum Materials, Vol 7, Iss 1, Pp 1-8 (2022), Issue 39, 2022, ISSN 2397-4648
Publisher: London Springer Nature
DOI: 10.1038/s41535-022-00489-9

Impact of electrostatic doping on carrier concentration and mobility in InAs nanowires

Author(s): Domenic Prete, Valeria Demontis, Valentina Zannier, Maria Jesus Rodriguez-Douton, Lorenzo Guazzelli, Fabio Beltram, Lucia Sorba and Francesco Rossella
Published in: Nanotechnology, 2021, ISSN 1361-6528
Publisher: IOP
DOI: 10.1088/1361-6528/abd659

Even-odd effect and Majorana states in full-shell nanowires

Author(s): Fernando Peñaranda, Ramón Aguado, Pablo San-Jose, Elsa Prada
Published in: Physical Review Research, Issue 2/2, 2020, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.2.023171

Electronic Transport in Double-Nanowire Superconducting Islands with Multiple Terminals

Author(s): Alexandros Vekris, Juan Carlos Estrada Saldaña, Thomas Kanne, Thor Hvid-Olsen, Mikelis Marnauza, Dags Olsteins, Matteo M. Wauters, Michele Burrello, Jesper Nygård, and Kasper Grove-Rasmussen*
Published in: Nano Letters, 2022, ISSN 1530-6992
Publisher: ACS
DOI: 10.1021/acs.nanolett.2c01161

Gate-tunable Josephson diode in proximitized InAs supercurrent interferometers

Author(s): Carlo Ciaccia, Roy Haller, Asbjørn C. C. Drachmann, Tyler Lindemann, Michael J. Manfra, Constantin Schrade, and Christian Schönenberger
Published in: Phys. Rev. Research, 2023, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.5.033131

Scalable Platform for Nanocrystal-Based Quantum Electronics

Author(s): Joachim E. Sestoft, Aske N. Gejl, Thomas Kanne, Rasmus D. Schlosser, Daniel Ross, Daniel Kjær, Kasper Grove-Rasmussen, Jesper Nygård
Published in: Advanced Functional Materials, 2022, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202112941

Phase-dependent microwave response of a graphene Josephson junction

Author(s): R. Haller, G. Fülöp, D. Indolese, J. Ridderbos, R. Kraft, L. Y. Cheung, J. H. Ungerer, K. Watanabe, T. Taniguchi, D. Beckmann, R. Danneau, P. Virtanen, and C. Schönenberger
Published in: Phys. Rev. Research, Issue 4, 2022, Page(s) 013198, ISSN 2643-1564
Publisher: American Physical Society
DOI: 10.1103/physrevresearch.4.013198

A double quantum dot spin valve

Author(s): Arunav Bordoloi, Valentina Zannier, Lucia Sorba, Christian Schönenberger, Andreas Baumgartner
Published in: Communications Physics, Issue 3/1, 2020, ISSN 2399-3650
Publisher: Nature
DOI: 10.1038/s42005-020-00405-2

Intermediate states in Andreev bound state fusion

Author(s): Christian Jünger, Sebastian Lehmann, Kimberly A. Dick, Claes Thelander, Christian Schönenberger, Andreas Baumgartner
Published in: Communications Physics, 2023, ISSN 2815-5947
Publisher: Springer
DOI: 10.1038/s42005-023-01273-2

Continuous monitoring of a trapped superconducting spin

Author(s): M. Hays, V. Fatemi, K. Serniak, D. Bouman, S. Diamond, G. de Lange, P. Krogstrup, J. Nygård, A. Geresdi, M. H. Devoret
Published in: Nature Physics, Issue 16/11, 2020, Page(s) 1103-1107, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-020-0952-3

Charge-4e supercurrent in a two-dimensional InAs-Al superconductor-semiconductor heterostructure

Author(s): Carlo Ciaccia, Roy Haller, Asbjørn C. C. Drachmann, Tyler Lindemann, Michael J. Manfra, Constantin Schrade, Christian Schönenberger
Published in: Communications Physics, 2024, ISSN 2399-3650
Publisher: Springer
DOI: 10.1038/s42005-024-01531-x

Electrostatic Control of the Thermoelectric Figure of Merit in Ion‐Gated Nanotransistors

Author(s): Domenic Prete, Elisabetta Dimaggio, Valeria Demontis, Valentina Zannier, Maria Jesus Rodriguez‐Douton, Lorenzo Guazzelli, Fabio Beltram, Lucia Sorba, Giovanni Pennelli, Francesco Rossella
Published in: Advanced Functional Materials, Issue 31/37, 2021, Page(s) 2104175, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202104175

Gate-controlled supercurrent in ballistic InSb nanoflag Josephson junctions

Author(s): Sedighe Salimian, Matteo Carrega, Isha Verma, Valentina Zannier, Michał P. Nowak, Fabio Beltram, Lucia Sorba, Stefan Heun
Published in: Applied Physics Letters, 2021, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0071218

Coherent manipulation of an Andreev spin qubit

Author(s): M. Hays, V. Fatemi, D. Bouman, J. Cerrillo, S. Diamond, K. Serniak, T. Connolly, P. Krogstrup, J. Nygård, A. Levy Yeyati, A. Geresdi, M. H. Devoret
Published in: Science, Issue 373/6553, 2021, Page(s) 430-433, ISSN 0036-8075
Publisher: American Association for the Advancement of Science
DOI: 10.1126/science.abf0345

Josephson junctions in double nanowires bridged by in-situ deposited superconductors

Author(s): Alexandros Vekris, Juan Carlos Estrada Saldaña, Thomas Kanne, Mikelis Marnauza, Dags Olsteins, Furong Fan, Xiaobo Li, Thor Hvid-Olsen, Xiaohui Qiu, Hongqi Xu, Jesper Nygård, Kasper Grove-Rasmussen
Published in: Physical Review Research, Issue 3/3, 2021, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.3.033240

Signatures of Gate-Driven Out-of-Equilibrium Superconductivity in Ta/InAs Nanowires

Author(s): Tosson Elalaily, Martin Berke, Máté Kedves, Gergő Fülöp, Zoltán Scherübl, Thomas Kanne, Jesper Nygård, Péter Makk, Szabolcs Csonka
Published in: ACS Nano, Issue 17, 2023, Page(s) 5528-5535, ISSN 1936-0851
Publisher: American Chemical Society
DOI: 10.1021/acsnano.2c10877

Selective-Area Epitaxy of InGaAsP Buffer Multilayer for In-Plane InAs Nanowire Integration

Author(s): Valentina Zannier; Ang Li; Francesca Rossi; Sachin Yadav; Karl Petersson; Lucia Sorba
Published in: Materials, Vol 15, Iss 7, p 2543 (2022), Issue 1, 2022, ISSN 1996-1944
Publisher: MDPI Open Access Publishing
DOI: 10.3390/ma15072543

Probing Proximity-Induced Superconductivity in In As Nanowires Using Built-In Barriers

Author(s): Tosson Elalaily, Olivér Kürtössy, Valentina Zannier, Zoltán Scherübl, István Endre Lukács, Pawan Srivastava, Francesca Rossi, Lucia Sorba, Szabolcs Csonka, Péter Makk
Published in: Physical Review Applied, Issue 14/4, 2020, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.14.044002

From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires

Author(s): Elsa Prada, Pablo San-Jose, Michiel W. A. de Moor, Attila Geresdi, Eduardo J. H. Lee, Jelena Klinovaja, Daniel Loss, Jesper Nygård, Ramón Aguado, Leo P. Kouwenhoven
Published in: Nature Reviews Physics, Issue 2/10, 2020, Page(s) 575-594, ISSN 2522-5820
Publisher: nature
DOI: 10.1038/s42254-020-0228-y

From Cooper pair splitting to nonlocal spectroscopy of a Shiba state

Author(s): Zoltán Scherübl, Gergő Fülöp, Jörg Gramich, András Pályi, Christian Schönenberger, Jesper Nygård, and Szabolcs Csonka
Published in: Phys. Rev. Research, 2022, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.4.023143

Nontopological zero-bias peaks in full-shell nanowires induced by flux-tunable Andreev states

Author(s): Marco Valentini, Fernando Peñaranda, Andrea Hofmann, Matthias Brauns, Robert Hauschild, Peter Krogstrup, Pablo San-Jose, Elsa Prada, Ramón Aguado, Georgios Katsaros
Published in: Science, Issue 373/6550, 2021, Page(s) 82-88, ISSN 0036-8075
Publisher: American Association for the Advancement of Science
DOI: 10.1126/science.abf1513

Circuit-QED with phase-biased Josephson weak links

Author(s): C. Metzger, Sunghun Park, L. Tosi, C. Janvier, A. A. Reynoso, M. F. Goffman, C. Urbina, A. Levy Yeyati, H. Pothier
Published in: Physical Review Research, Issue 3/1, 2021, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.3.013036

Boosting proximity spin–orbit coupling in graphene/WSe2 heterostructures via hydrostatic pressure

Author(s): Bálint Fülöp, Albin Márffy, Simon Zihlmann, Martin Gmitra, Endre Tóvári, Bálint Szentpéteri, Máté Kedves, Kenji Watanabe, Takashi Taniguchi, Jaroslav Fabian, Christian Schönenberger, Péter Makk, Szabolcs Csonka
Published in: npj 2D Materials and Applications, Issue 5/1, 2021, ISSN 2397-7132
Publisher: Nature
DOI: 10.1038/s41699-021-00262-9

Performance of high impedance resonators in dirty dielectric environments

Author(s): J.H. Ungerer, D. Sarmah, A. Kononov, J. Ridderbos, R. Haller, L.Y. Cheung and C. Schönenberger
Published in: EPJ Quantum Technology, 2023, ISSN 2196-0763
Publisher: Springer
DOI: 10.1140/epjqt/s40507-023-00199-6

Richardson model with complex level structure and spin-orbit coupling for hybrid superconducting islands: Stepwise suppression of pairing and magnetic pinning

Author(s): Juan Carlos Estrada Saldaña, Luka Pavešič, Alexandros Vekris, Kasper Grove-Rasmussen, Jesper Nygård, and Rok Žitko
Published in: Phys. Rev. B, 2023, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.224507

Electronic properties of InAs/EuS/Al hybrid nanowires

Author(s): Chun-Xiao Liu, Sergej Schuwalow, Yu Liu, Kostas Vilkelis, A. L. R. Manesco, P. Krogstrup, Michael Wimmer
Published in: Physical Review B, Issue 104/1, 2021, ISSN 2469-9950
Publisher: Physical Review B
DOI: 10.1103/physrevb.104.014516

High-Mobility Free-Standing InSb Nanoflags Grown on InP Nanowire Stems for Quantum Devices

Author(s): Isha Verma, Sedighe Salimian, Valentina Zannier, Stefan Heun, Francesca Rossi, Daniele Ercolani, Fabio Beltram, Lucia Sorba
Published in: ACS Applied Nano Materials, Issue 4/6, 2021, Page(s) 5825-5833, ISSN 2574-0970
Publisher: ACS
DOI: 10.1021/acsanm.1c00734

From Adiabatic to Dispersive Readout of Quantum Circuits

Author(s): Sunghun Park, C. Metzger, L. Tosi, M. F. Goffman, C. Urbina, H. Pothier, A. Levy Yeyati
Published in: Physical Review Letters, Issue 125/7, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.077701

Understanding the Morphological Evolution of InSb Nanoflags Synthesized in Regular Arrays by Chemical Beam Epitaxy

Author(s): Isha Verma, Valentina Zannier, Vladimir G. Dubrovskii, Fabio Beltram and Lucia Sorba
Published in: Nanomaterials, 2022, ISSN 2079-4991
Publisher: MDPI
DOI: 10.3390/nano12071090

Metamorphic InAs/InGaAs QWs with electron mobilities exceeding 7 × 10^5 cm^2/Vs

Author(s): A. Benali, P. Rajak, R. Ciancio, J.R. Plaisier, S. Heun, G. Biasiol
Published in: Journal of Crystal Growth, 2022, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2022.126768

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

Author(s): J H Ungerer, P Chevalier Kwon, T Patlatiuk, J Ridderbos, A Kononov, D Sarmah, E P A M Bakkers, D Zumbühl, C Schönenberger
Published in: Materials for Quantum Technology, 2023, ISSN 2633-4356
Publisher: IOP
DOI: 10.1088/2633-4356/ace2a6

Morphology control of single-crystal InSb nanostructures by tuning the growth parameters

Author(s): Isha Verma, Valentina Zannier, Francesca Rossi, Daniele Ercolani, Fabio Beltram and Lucia Sorba
Published in: Nanotechnology, 2020, ISSN 0957-4484
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6528/ab9aee

Double Nanowires for Hybrid Quantum Devices

Author(s): Thomas Kanne, Dags Olsteins, Mikelis Marnauza, Alexandros Vekris, Juan Carlos Estrada Saldaña, Sara Loric̀, Rasmus D. Schlosser, Daniel Ross, Szabolcs Csonka, Kasper Grove-Rasmussen
Published in: Advanced Functional Materials, 2022, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202107926

Highly symmetric and tunable tunnel couplings in InAs/InP nanowire heterostructure quantum dots

Author(s): Frederick S Thomas, Andreas Baumgartner, Lukas Gubser, Christian Jünger, Gergő Fülöp, Malin Nilsson, Francesca Rossi, Valentina Zannier, Lucia Sorba, Christian Schönenberger
Published in: Nanotechnology, Issue 31/13, 2020, Page(s) 135003, ISSN 0957-4484
Publisher: Institute of Physics Publishing
DOI: 10.1088/1361-6528/ab5ce6

Large spatial extension of the zero-energy Yu–Shiba–Rusinov state in a magnetic field

Author(s): Zoltán Scherübl, Gergő Fülöp, Cătălin Paşcu Moca, Jörg Gramich, Andreas Baumgartner, Péter Makk, Tosson Elalaily, Christian Schönenberger, Jesper Nygård, Gergely Zaránd, Szabolcs Csonka
Published in: Nature Communications, Issue 11/1, 2020, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-15322-9

Spectroscopy of the superconducting proximity effect in nanowires using integrated quantum dots

Author(s): Christian Jünger, Andreas Baumgartner, Raphaëlle Delagrange, Denis Chevallier, Sebastian Lehmann, Malin Nilsson, Kimberly A. Dick, Claes Thelander, Christian Schönenberger
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
Publisher: Mesoscale and Nanoscale Physics
DOI: 10.1038/s42005-019-0162-4

Orbital Tuning of Tunnel Coupling in InAs/InP Nanowire Quantum Dots

Author(s): Zahra Sadre Momtaz, Stefano Servino, Valeria Demontis, Valentina Zannier, Daniele Ercolani, Francesca Rossi, Francesco Rossella, Lucia Sorba, Fabio Beltram, Stefano Roddaro
Published in: Nano Letters, Issue 20/3, 2020, Page(s) 1693-1699, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.9b04850

Growth of Self-Catalyzed InAs/InSb Axial Heterostructured Nanowires: Experiment and Theory

Author(s): Omer Arif, Valentina Zannier, Vladimir G. Dubrovskii, Igor V. Shtrom, Francesca Rossi, Fabio Beltram, Lucia Sorba
Published in: Nanomaterials, Issue 10/3, 2020, Page(s) 494, ISSN 2079-4991
Publisher: Nanomaterials
DOI: 10.3390/nano10030494

Effects of the electrostatic environment on superlattice Majorana nanowires

Author(s): Samuel D. Escribano, Alfredo Levy Yeyati, Yuval Oreg, Elsa Prada
Published in: Physical Review B, Issue 100/4, 2019, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/PhysRevB.100.045301

Non-hermitian topology as a unifying framework for the Andreev versus Majorana states controversy

Author(s): J. Avila, F. Peñaranda, E. Prada, P. San-Jose, R. Aguado
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
Publisher: Springer
DOI: 10.1038/s42005-019-0231-8

Epitaxial Pb on InAs nanowires for quantum devices

Author(s): Thomas Kanne, Mikelis Marnauza, Dags Olsteins, Damon J. Carrad, Joachim E. Sestoft, Joeri de Bruijckere, Lunjie Zeng, Erik Johnson, Eva Olsson, Kasper Grove-Rasmussen, Jesper Nygård
Published in: Nature Nanotechnology, Issue 16/7, 2021, Page(s) 776-781, ISSN 1748-3387
Publisher: Nature Publishing Group
DOI: 10.1038/s41565-021-00900-9

Joule spectroscopy of hybrid superconductor–semiconductor nanodevices

Author(s): A. Ibabe, M. Gómez, G. O. Steffensen, T. Kanne, J. Nygård, A. Levy Yeyati and E. J. H. Lee
Published in: Nature Communications, Issue 14, 2873, 2023, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-023-38533-2

Microwave Susceptibility Observation of Interacting Many-Body Andreev States

Author(s): V. Fatemi, P. D. Kurilovich, M. Hays, D. Bouman, T. Connolly, S. Diamond, N. E. Frattini, V. D. Kurilovich, P. Krogstrup, J. Nygård, A. Geresdi, L. I. Glazman, and M. H. Devoret
Published in: Phys. Rev. Letters, 2022, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.129.227701

Fluxoid-induced pairing suppression and near-zero modes in quantum dots coupled to full-shell nanowires

Author(s): Samuel D. Escribano; Alfredo Levy Yeyati; Ramón Aguado; Elsa Prada; Pablo San-Jose
Published in: Physical Review B, Issue 105, 045418, 2022, ISSN 1095-3795
Publisher: APS
DOI: 10.1103/physrevb.105.045418

Inductive microwave response of Yu-Shiba-Rusinov states

Author(s): C. Hermansen; A. Levy Yeyati; J. Paaske
Published in: Physical Review B, Issue 105, 054503, 2022, ISSN 1095-3795
Publisher: APS
DOI: 10.1103/physrevb.105.054503

Josephson Diode Effect in High-Mobility InSb Nanoflags

Author(s): Bianca Turini, Sedighe Salimian, Matteo Carrega, Andrea Iorio, Elia Strambini, Francesco Giazotto, Valentina Zannier, Lucia Sorba, and Stefan Heun
Published in: Nano Letters, 2022, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.2c02899

Surface Nano-Patterning for the Bottom-Up Growth of III-V Semiconductor Nanowire Ordered Arrays

Author(s): Valeria Demontis; Valentina Zannier; Lucia Sorba; Francesco Rossella
Published in: Nanomaterials, Issue 11, 2021, Page(s) 2079, ISSN 2079-4991
Publisher: MDPI
DOI: 10.3390/nano11082079

Proximitized Josephson junctions in highly-doped InAs nanowires robust to optical illumination

Author(s): Lily Yang, Stephan Steinhauer, Elia Strambini, Thomas Lettner, Lucas Schweickert, Marijn A M Versteegh, Valentina Zannier, Lucia Sorba, Dmitry Solenov and Francesco Giazotto
Published in: Nanotechnology, 2021, ISSN 1361-6528
Publisher: IOP
DOI: 10.1088/1361-6528/abc44e

Magnetic degeneracy points in interacting two-spin systems: Geometrical patterns, topological charge distributions, and their stability

Author(s): György Frank, Zoltán Scherübl, Szabolcs Csonka, Gergely Zaránd, András Pályi
Published in: Physical Review B, Issue 101/24, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.101.245409

Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions

Author(s): Iorio, A.; Crippa, A.; Turini, B.; Salimian, S.; Carrega, M.; Chirolli, L.; Zannier, V.; Sorba, L.; Strambini, E.; Giazotto, F.; Heun, S.
Published in: Physical review research, Issue 5, 2023, Page(s) 033015, ISSN 2643-1564
Publisher: APS
DOI: 10.1103/physrevresearch.5.033015

Magnetic-Field-Independent Subgap States in Hybrid Rashba Nanowires

Author(s): Christian Jünger, Raphaëlle Delagrange, Denis Chevallier, Sebastian Lehmann, Kimberly A. Dick, Claes Thelander, Jelena Klinovaja, Daniel Loss, Andreas Baumgartner, Christian Schönenberger
Published in: Physical Review Letters, Issue 125/1, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.017701

Realization of a minimal Kitaev chain in coupled quantum dots

Author(s): Tom Dvir; Guanzhong Wang; Nick van Loo; Chun-Xiao Liu; Grzegorz P. Mazur; Alberto Bordin; Sebastiaan L. D. ten Haaf; Ji-Yin Wang; David van Driel; Francesco Zatelli; Xiang Li; Filip K. Malinowski; Sasa Gazibegovic; Ghada Badawy; Erik P. A. M. Bakkers; Michael Wimmer; Leo P. Kouwenhoven
Published in: Nature, Issue 614, 2023, Page(s) 445, ISSN 1476-4687
Publisher: Springer
DOI: 10.1038/s41586-022-05585-1

Catastrophic magnetic flux avalanches in NbTiN superconducting resonators

Author(s): Lukas Nulens; Nicolas Lejeune; Joost Caeyers; Stefan Marinković; Ivo Cools; Heleen Dausy; Sergey Basov; Bart Raes; Margriet J. Van Bael; Attila Geresdi; Alejandro V. Silhanek; Joris Van de Vondel
Published in: Communications Physics, Issue 6, 2023, Page(s) 267, ISSN 2399-3650
Publisher: Springer
DOI: 10.1038/s42005-023-01386-8

Two-impurity Yu-Shiba-Rusinov states in coupled quantum dots

Author(s): J. C. Estrada Saldaña, A. Vekris, R. Žitko, G. Steffensen, P. Krogstrup, J. Paaske, K. Grove-Rasmussen, J. Nygård
Published in: Physical Review B, Issue 102/19, 2020, ISSN 2469-9950
Publisher: Physical REview B
DOI: 10.1103/physrevb.102.195143

Triplet-blockaded Josephson supercurrent in double quantum dots

Author(s): Daniël Bouman, Ruben J. J. van Gulik, Gorm Steffensen, Dávid Pataki, Péter Boross, Peter Krogstrup, Jesper Nygård, Jens Paaske, András Pályi, Attila Geresdi
Published in: Physical Review B, Issue 102/22, 2020, ISSN 2469-9950
Publisher: Physical Review B
DOI: 10.1103/physrevb.102.220505

Bolometric detection of Josephson inductance in a highly resistive environment

Author(s): D. Subero, O. Maillet, D. S Golubev, G. Thomas, J. T. Peltonen, B. Karimi, M. Marín-Suárez, A. Levy Yeyati, R. Sánchez, Sunghun Park, J.P. Pekola
Published in: Nature Communications, Issue 14, 7924, 2023, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-023-43668-3

Asymmetric Little–Parks oscillations in full shell double nanowires

Author(s): Alexandros Vekris, Juan Carlos Estrada Saldaña, Joeri de Bruijckere, Sara Lorić, Thomas Kanne, Mikelis Marnauza, Dags Olsteins, Jesper Nygård, Kasper Grove-Rasmussen
Published in: Scientific Reports, Issue 11/1, 2021, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-021-97780-9

Gate-Controlled Supercurrent in Epitaxial Al/InAs Nanowires

Author(s): Tosson Elalaily, Olivér Kürtössy, Zoltán Scherübl, Martin Berke, Gergö Fülöp, István Endre Lukács, Thomas Kanne, Jesper Nygård, Kenji Watanabe, Takashi Taniguchi, Péter Makk, Szabolcs Csonka
Published in: Nano Letters, Issue 21/22, 2021, Page(s) 9684-9690, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c03493

Parallel InAs nanowires for Cooper pair splitters with Coulomb repulsion

Author(s): Olivér Kürtössy, Zoltán Scherübl, Gergő Fülöp, István Endre Lukács, Thomas Kanne, Jesper Nygård, Péter Makk and Szabolcs Csonka
Published in: npj Quantum Materials, 2022, ISSN 2397-4648
Publisher: Springer
DOI: 10.1038/s41535-022-00497-9

Near-surface InAs two-dimensional electron gas on a GaAs substrate: Characterization and superconducting proximity effect

Author(s): Máté Sütő, Tamás Prok, Péter Makk, Magdhi Kirti, Giorgio Biasiol, Szabolcs Csonka, and Endre Tóvári
Published in: Phys. Rev. B, 2022, ISSN 2469-9969
Publisher: APS
DOI: 10.1103/physrevb.106.235404

Majorana oscillations and parity crossings in semiconductor nanowire-based transmon qubits

Author(s): J. Ávila, E. Prada, P. San-Jose, R. Aguado
Published in: Physical Review Research, Issue 2/3, 2020, ISSN 2643-1564
Publisher: Physics Review Research
DOI: 10.1103/physrevresearch.2.033493

Stabilizing the Inverted Phase of a WSe2/BLG/WSe2 Heterostructure via Hydrostatic Pressure

Author(s): Máté Kedves, Bálint Szentpéteri, Albin Márffy, Endre Tóvári, Nikos Papadopoulos, Prasanna K. Rout, Kenji Watanabe, Takashi Taniguchi, Srijit Goswami, Szabolcs Csonka, and Péter Makk
Published in: Nano Letters, 2023, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.3c03029

Self-Catalyzed InSb/InAs Quantum Dot Nanowires

Author(s): Omer Arif, Valentina Zannier, Francesca Rossi, Daniele Ercolani, Fabio Beltram, Lucia Sorba
Published in: Nanomaterials, Issue 11/1, 2021, Page(s) 179, ISSN 2079-4991
Publisher: Nanomaterials
DOI: 10.3390/nano11010179

Strong coupling between a microwave photon and a singlet-triplet qubit

Author(s): J. H. Ungerer, A. Pally, A. Kononov, S. Lehmann, J. Ridderbos, C. Thelander, K.A. Dick, V.F. Maisi, P. Scarlino, A. Baumgartner, C. Schonenberger
Published in: Nature Communications, 2024, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-024-45235-w

Signatures of Interactions in the Andreev Spectrum of Nanowire Josephson Junctions

Author(s): F. J. Matute-Cañadas, C. Metzger, Sunghun Park, L. Tosi, P. Krogstrup, J. Nygård, M. F. Goffman, C. Urbina, H. Pothier, and A. Levy Yeyati
Published in: Physical Review Letter, Issue 128, 197702, 2022, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.128.197702

Direct transport between superconducting subgap states in a double quantum dot

Author(s): Steffensen, G. O.; Saldaña, J. C. Estrada; Vekris, A.; Krogstrup, P.; Grove-Rasmussen, K.; Nygård, J.; Yeyati, A. L.; Paaske, J.
Published in: Physical Review B, Issue 105, L161302, 2022, ISSN 1095-3795
Publisher: APS
DOI: 10.1103/physrevb.105.l161302

ac Josephson effect in a gate-tunable Cd3As2 nanowire superconducting weak link

Author(s): R. Haller, M. Osterwalder, G. Fülöp, J. Ridderbos, M. Jung, and C. Schönenberger
Published in: Phys. Rev. B, 2023, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.108.094514

Temperature induced shifts of Yu–Shiba–Rusinov resonances in nanowire-based hybrid quantum dots

Author(s): Juan Carlos Estrada Saldaña, Alexandros Vekris, Victoria Sosnovtseva, Thomas Kanne, Peter Krogstrup, Kasper Grove-Rasmussen, Jesper Nygård
Published in: Communications Physics, Issue 3/1, 2020, ISSN 2399-3650
Publisher: Nature
DOI: 10.1038/s42005-020-0392-5

Dynamical parity selection in superconducting weak links

Author(s): Nico Ackermann, Alex Zazunov, Sunghun Park, Reinhold Egger, and Alfredo Levy Yeyati
Published in: Physical Review B, Issue 107, 214515, 2023, ISSN 1550-235X
Publisher: APS
DOI: 10.1103/physrevb.107.214515

Superconductivity and Parity Preservation in As-Grown In Islands on InAs Nanowires

Author(s): Martin Saurbrey Bjergfelt, Damon J. Carrad, Thomas Kanne, Erik Johnson, Elisabetta M. Fiordaliso, Thomas Sand Jespersen, and Jesper Nygård
Published in: Nano Letters, 2021, ISSN 1530-6992
Publisher: ACS
DOI: 10.1021/acs.nanolett.1c02487

New method of transport measurements on van der Waals heterostructures under pressure

Author(s): Bálint Fülöp, Albin Márffy, Endre Tóvári, Máté Kedves, Simon Zihlmann, David Indolese, Zoltán Kovács-Krausz, Kenji Watanabe, Takashi Taniguchi, Christian Schönenberger, István Kézsmárki, Péter Makk, Szabolcs Csonka
Published in: Journal of Applied Physics, Issue 130/6, 2021, Page(s) 064303, ISSN 0021-8979
Publisher: American Institute of Physics
DOI: 10.1063/5.0058583

Improved effective equation for the Rashba spin-orbit coupling in semiconductor nanowires

Author(s): Samuel D. Escribano, Alfredo Levy Yeyati, Elsa Prada
Published in: Physical Review Research, Issue 2/3, 2020, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.2.033264

Tailoring the Band Structure of Twisted Double Bilayer Graphene with Pressure

Author(s): Bálint Szentpéteri, Peter Rickhaus, Folkert K. de Vries, Albin Márffy, Bálint Fülöp, Endre Tóvári, Kenji Watanabe, Takashi Taniguchi, Andor Kormányos, Szabolcs Csonka*, and Péter Makk
Published in: Nano Letters, 2021, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c03066

Shadow Epitaxy for In Situ Growth of Generic Semiconductor/Superconductor Hybrids

Author(s): Damon J. Carrad, Martin Bjergfelt, Thomas Kanne, Martin Aagesen, Filip Krizek, Elisabetta M. Fiordaliso, Erik Johnson, Jesper Nygård, Thomas Sand Jespersen
Published in: Advanced Materials, Issue 32/23, 2020, Page(s) 1908411, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201908411

Large Voltage-Tunable Spin Valve Based on a Double Quantum Dot

Author(s): Patrycja Tulewicz, Kacper Wrześniewski, Szabolcs Csonka, Ireneusz Weymann
Published in: Physical Review Applied, Issue 16/1, 2021, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.16.014029

Investigation of InAs–based devices for topological applications

Author(s): Matteo Carrega, Stefano Guiducci, Andrea Iorio, Lennart Bours, Elia Strambini, Giorgio Biasiol, Mirko Rocci, Valentina Zannier, Lucia Sorba, Fabio Beltram, Stefano Roddaro, Francesco Giazotto, Stefan Heun
Published in: Spintronics XII, Issue Proceedings Volume 11090, 2019, Page(s) 144, ISBN 9781-510628748
Publisher: SPIE
DOI: 10.1117/12.2527754

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