Andreev qubits for scalable quantum computation

Deliverables

Documents, reports (9)

Reprt on Andreev level spin transitions

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 the parity lifetime, Tparity of the ALQ and its mitigation techniques

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

Websites, patent fillings, videos etc. (1)

Website and Logo

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Publications

Peer reviewed articles (44)

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, 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, 3/2, 2021, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.3.l022012

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, 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, 21/19, 2021, Page(s) 7929-7937, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c01956

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, 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, 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, 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, 2/1, 2019, ISSN 2399-3650
Publisher: Nature
DOI: 10.1038/s42005-019-0200-2

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, 2/2, 2020, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.2.023171

A double quantum dot spin valve

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

Author Correction: 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, 17/10, 2021, Page(s) 1183-1183, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-021-01309-w

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, 16/11, 2020, Page(s) 1103-1107, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-020-0952-3

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, 31/37, 2021, Page(s) 2104175, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202104175

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, 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, 3/3, 2021, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.3.033240

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, 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, 2/10, 2020, Page(s) 575-594, ISSN 2522-5820
Publisher: nature
DOI: 10.1038/s42254-020-0228-y

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, 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, 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, 5/1, 2021, ISSN 2397-7132
Publisher: Nature
DOI: 10.1038/s41699-021-00262-9

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, 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, 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, 125/7, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.077701

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, 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, 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, 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, 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, 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, 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, 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, 16/7, 2021, Page(s) 776-781, ISSN 1748-3387
Publisher: Nature Publishing Group
DOI: 10.1038/s41565-021-00900-9

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, 101/24, 2020, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.101.245409

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, 125/1, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.017701

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, 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, 102/22, 2020, ISSN 2469-9950
Publisher: Physical Review B
DOI: 10.1103/physrevb.102.220505

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, 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, 21/22, 2021, Page(s) 9684-9690, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c03493

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, 2/3, 2020, ISSN 2643-1564
Publisher: Physics Review Research
DOI: 10.1103/physrevresearch.2.033493

Self-Catalyzed InSb/InAs Quantum Dot Nanowires

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

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, 3/1, 2020, ISSN 2399-3650
Publisher: Nature
DOI: 10.1038/s42005-020-0392-5

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, 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, 2/3, 2020, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.1103/physrevresearch.2.033264

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, 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, 16/1, 2021, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/physrevapplied.16.014029

Conference proceedings (1)

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, Proceedings Volume 11090, 2019, Page(s) 144, ISBN 9781-510628748
Publisher: SPIE
DOI: 10.1117/12.2527754