Regensburg 2022 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 32: Focus Session: Topological Devices (joint session TT/KFM)
Thursday, September 8, 2022, 15:00–18:30, H10
The properties of topological phases of matter give rise to unique phenomena, such as edge or surface transport, spin-momentum locking, or topological protection against perturbations. Many years after their conception, several topological platforms have reached maturity, and research interests have shifted towards mesoscopic devices unveiling rich and new topological physics, driven in part by the perspectives of novel topological quantum computation. Within this Focus Session, recent examples of devices exploring or exploiting the topological properties of various phases of matter shall be discussed.
Organizers: Erwann Bocquillon, Oliver Breunig, Yoichi Ando (all Universität zu Köln)
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15:00 | TT 32.1 | Invited Talk: Supercurrents in HgTe-based topological nanowires — •Dieter Weiss |
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15:30 | TT 32.2 | Invited Talk: Majorana bound states and non-reciprocal transport in topological insulator nanowire devices — •Henry Legg |
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16:00 | TT 32.3 | Invited Talk: Integration of topological insulator Josephson junctions in superconducting qubit circuits — •Tobias W. Schmitt, Malcolm R. Connolly, Michael Schleenvoigt, Chenlu Liu, Oscar Kennedy, José M. Chávez-Garcia, Anne Schmidt, Albert Hertel, Tobias Lindström, Sebastian E. de Graaf, Karl D. Petersson, Detlev Grützmacher, and Peter Schüffelgen |
| 16:30 | 15 min. break | ||
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16:45 | TT 32.4 | Invited Talk: Universal fluctuations of the induced superconducting gap in an elemental nanowire — Lauriane Contamin, Lucas Jarjat, William Legrand, Audrey Cottet, Takis Kontos, and •Matthieu Delbecq |
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17:15 | TT 32.5 | Invited Talk: Exploring the full potential of edge channel transport in HgTe based two-dimensional topological insulators — •Saquib Shamim, Wouter Beugeling, Pragya Shekhar, Jan Böttcher, Andreas Budewitz, Julian-Benedikt Mayer, Lukas Lunczer, Jonas Strunz, Johannes Kleinlein, Ewelina Hankiewicz, Björn Trauzettel, Hartmut Buhmann, and Laurens Molenkamp |
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17:45 | TT 32.6 | Quantum non-Hermitian topological sensors — •Florian Koch and Jan Carl Budich |
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18:00 | TT 32.7 | First magnetic field measurements of a topological insulator based Transmon Qubit — •Anne Schmidt, Tobias W. Schmitt, Chenlu Liu, Albert Hertel, Christian Dickel, Michael Schleenvoigt, Malcolm R. Connolly, Yoichi Ando, Detlev Grützmacher, and Peter Schüffelgen |
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18:15 | TT 32.8 | Kondo interactions of quantum spin Hall edge channels with charge puddles — •Christopher Fuchs, Pragya Shekhar, Saquib Shamim, Lena Fürst, Johannes Kleinlein, Jukka I. Väyrynen, Hartmut Buhmann, and Laurens W. Molenkamp |