In-Plane Zeeman-Field-Induced Majorana Corner and Hinge Modes in an -Wave Superconductor Heterostructure

YJ Wu, J Hou, YM Li, XW Luo, X Shi, C Zhang - Physical Review Letters, 2020 - APS
Second-order topological superconductors host Majorana corner and hinge modes in
contrast to conventional edge and surface modes in two and three dimensions. However …

Microwave-tunable diode effect in asymmetric SQUIDs with topological Josephson junctions

JJ Cuozzo, W Pan, J Shabani, E Rossi - Physical Review Research, 2024 - APS
In superconducting systems in which inversion and time-reversal symmetry are
simultaneously broken the critical current for positive and negative current bias can be …

Superconducting Proximity in Intrinsic Magnetic Topological Insulator MnBi2Te4–NbN Hybrid Device Modulated by Coulomb Blockade Effect

J Chen, W Xu, Z Tan, Z Pan, P Zhu, ZM Liao, D Yu - Nano Letters, 2022 - ACS Publications
The combination of nontrivial topology, magnetism, and superconductivity could offer the
potential to realize exotic excitations of quasiparticles. MnBi2Te4, as an intrinsic magnetic …

and Josephson Effects Mediated by a Dirac Semimetal

W Yu, W Pan, DL Medlin, MA Rodriguez, SR Lee… - Physical review …, 2018 - APS
Cd 3 As 2 is a three-dimensional topological Dirac semimetal with connected Fermi-arc
surface states. It has been suggested that topological superconductivity can be achieved in …

Detection of Majorana Kramers pairs using a quantum point contact

J Li, W Pan, BA Bernevig, RM Lutchyn - Physical review letters, 2016 - APS
We propose a setup that integrates a quantum point contact (QPC) and a Josephson
junction on a quantum spin Hall sample, experimentally realizable in InAs/GaSb quantum …

Proximity-induced superconducting gap in the intrinsic magnetic topological insulator

WZ Xu, CG Chu, ZC Pan, JJ Chen, AQ Wang, ZB Tan… - Physical Review B, 2022 - APS
We report magnetotransport measurements in the NbN-magnetic topological insulator MnBi
2 Te 4 (MBT)-NbN junction at low temperature. At 10 mK, the nonlinear current-voltage …

Single-edge transport in an InAs/GaSb quantum spin Hall insulator

F Couëdo, H Irie, K Suzuki, K Onomitsu, K Muraki - Physical Review B, 2016 - APS
We report transport measurements in a single edge channel of an InAs/GaSb quantum spin
Hall insulator, where the conduction occurs through only one pair of counterpropagating …

Even-odd flux quanta effect in the Fraunhofer oscillations of an edge-channel Josephson junction

B Baxevanis, VP Ostroukh, CWJ Beenakker - Physical Review B, 2015 - APS
We calculate the beating of h/2 e and h/e periodic oscillations of the flux-dependent critical
supercurrent I c (Φ) through a quantum spin-Hall insulator between two superconducting …

Probing the semiconductor to semimetal transition in InAs/GaSb double quantum wells by magneto-infrared spectroscopy

Y Jiang, S Thapa, GD Sanders, CJ Stanton, Q Zhang… - Physical Review B, 2017 - APS
We perform a magnetoinfrared spectroscopy study of the semiconductor to semimetal
transition of InAs/GaSb double quantum wells from the normal to the inverted state. We show …

Topological majorana two-channel kondo effect

Z Bao, F Zhang - Physical review letters, 2017 - APS
A one-dimensional time-reversal-invariant topological superconductor hosts a Majorana
Kramers pair at each end, where time-reversal symmetry acts as a supersymmetry that flips …