Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session A05: Topological Superconductivity: Majorana
8:00 AM–11:00 AM,
Monday, March 4, 2019
BCEC
Room: 108
Sponsoring
Unit:
DMP
Chair: Zhiqiang Mao
Abstract: A05.00009 : Majorana double nanowires in the presence of magnetic field, interactions, and disorder
10:00 AM–10:12 AM
Presenter:
Manisha Thakurathi
(Department of Physics, University of Basel)
Authors:
Manisha Thakurathi
(Department of Physics, University of Basel)
Pascal simon
(Laboratoire de Physique des Solides (CNRS/ U-PSUD), Université Paris Sud)
Jelena Klinovaja
(Department of Physics, University of Basel)
Daniel Loss
(Department of Physics, University of Basel)
which has been recently proposed as a versatile platform to generate Kramers pairs
of Majorana bound states in the absence of magnetic field [1]. We also analyze
the effects of electron-electron interactions and disorder on the system and find that
the interactions drive the system into the topological phase [2]. We further consider an
external magnetic field along the NWs and demonstrate that the setup exhibits a new
previously overlooked Majorana phase that emerges at low magnetic field [3]. Also we
demonstrate the charge and spin signatures of topological superconductivity in the double
NWs setup.
[1] J. Klinovaja and D. Loss, Phys. Rev. B 90, 045118 (2014).
[2] M. Thakurathi et al, Phys. Rev. B 97, 045415 (2018).
[3] C. Schrade et al, Phys. Rev. B 96, 035306 (2017).
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