Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session F04: Dirac/Weyl Semimetals -- Transport II (including STM, etc)
11:15 AM–2:15 PM,
Tuesday, March 5, 2019
BCEC
Room: 107C
Sponsoring
Unit:
DMP
Chair: Hsu Liu, Univ of Cambridge
Abstract: F04.00007 : Andreev reflection and Josephson currents on the surface of line Weyl semimetals*
12:27 PM–12:39 PM
Presenter:
Xiang Hu
(Physics, William and Mary)
Authors:
Xiang Hu
(Physics, William and Mary)
Dmitry Pikulin
(Microsoft Quantum, Microsoft Station Q, University of California, Santa Barbara)
Enrico Rossi
(Physics, William and Mary)
We then investigate Josephson junctions in which the surface of a line Weyl semimetal is placed between two superconducting regions. Using a transfer matrix method we obtain the dependence of the Josephson current on the phase difference between the superconducting leads for long
and short junctions. We then study how the interplay of drumhead and bulk states affects the Josephson current-phase relation.
*Work supported by NSF, ONR, and ARO.
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