Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session W42: Superconductivity in Topological Systems
3:00 PM–6:00 PM,
Thursday, March 9, 2023
Room: Room 318
Sponsoring
Unit:
DMP
Chair: Javad Shabani, New York University
Abstract: W42.00001 : Superconducting proximity effect in topological Dirac materials*
3:00 PM–3:36 PM
Presenter:
Chuan Li
(University of Twente)
Authors:
Chuan Li
(University of Twente)
Alexander Brinkman
(University of Twente)
Anqi Wang
(Peking University)
Caizhen Li
(Southern University of Science and Technology)
Dapeng Yu
(SUSTC)
Zhimin Liao
(Peking University)
Peter Schüffelgen
(Forschungszentrum Jülich)
Daniel Rosenbach
(University of Cologne)
Alexander Golubov
(Univ of Twente)
In the last few years, our research has demonstrated the possibility of realizing the topological superconductivity in engineered 3D topological insulators [1], 3D Dirac semimetals [2,3], and their 1D hinge states. Particularly, Cd3As2 is predicted to be a higher-order topological semimetal, possessing three-dimensional bulk Dirac fermions, two-dimensional Fermi arcs [4], and one-dimensional hinge states [5] or non-Hermitian states [6]. These topological states have different characteristic length scales in electronic transport. We show that the superconducting proximity effect can also be a sensitive probe for distinguishing these states.
*We acknowledge the Netherlands Organization for Scientific Research (NWO) for the financial support through a VIDI grant (VI.Vidi.203.047).
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