Transport in two-dimensional topological materials: recent developments in experiment and theory
We review theoretical and experimental highlights in transport in two-dimensional
topological materials over the last five years. Topological materials comprise topological …
topological materials over the last five years. Topological materials comprise topological …
Edge supercurrent in Josephson junctions based on topological materials
The interplay between novel topological states and superconductivity has garnered
substantial interest due to its potential for topological quantum computing. The Josephson …
substantial interest due to its potential for topological quantum computing. The Josephson …
Orientation-dependent Josephson effect in spin-singlet superconductor/altermagnet/spin-triplet superconductor junctions
Q Cheng, QF Sun - Physical Review B, 2024 - APS
We study the Josephson effect in the spin-singlet superconductor/altermagnet/spin-triplet
superconductor junctions using the Green's function method. The current-phase difference …
superconductor junctions using the Green's function method. The current-phase difference …
Identifying axion insulator by quantized magnetoelectric effect in antiferromagnetic tunnel junction
The intrinsic magnetic topological insulator MnBi 2 Te 4 is believed to be an axion insulator
in its antiferromagnetic ground state. However, the direct identification of axion insulators …
in its antiferromagnetic ground state. However, the direct identification of axion insulators …
Spin-triplet superconductor–quantum anomalous Hall insulator–spin-triplet superconductor Josephson junctions: transition, phase, and switching effects
We study the Josephson effect in spin-triplet superconductor− quantum anomalous Hall
insulator− spin-triplet superconductor junctions using the nonequilibrium Green's function …
insulator− spin-triplet superconductor junctions using the nonequilibrium Green's function …
Particle conserving approach to ac-dc driven interacting quantum dots with superconducting leads
J Siegl, J Picó-Cortés, M Grifoni - Physical Review B, 2023 - APS
The combined action of a dc bias and a microwave drive on the transport characteristic of a
superconductor-quantum dot-superconductor junction is investigated. To cope with time …
superconductor-quantum dot-superconductor junction is investigated. To cope with time …
Anomalous photon-assisted tunneling in periodically driven Majorana nanowires and BCS charge measurement
Y Zhuang, QF Sun - Physical Review B, 2022 - APS
The photon-assisted tunneling of Majorana bound states in a Majorana nanowire driven by
the periodic field is studied both theoretically and numerically. We find that Majorana bound …
the periodic field is studied both theoretically and numerically. We find that Majorana bound …
Levitons in superconducting point contacts
We investigate the transport properties of a superconducting quantum point contact in the
presence of an arbitrary periodic drive. In particular, we calculate the DC current and noise …
presence of an arbitrary periodic drive. In particular, we calculate the DC current and noise …
Microwave studies of the fractional Josephson effect in HgTe-based Josephson junctions
E Bocquillon, J Wiedenmann, RS Deacon… - … Matter: Lectures from …, 2018 - Springer
The rise of topological phases of matter is strongly connected to their potential to host
Majorana bound states, a powerful ingredient in the search for a robust, topologically …
Majorana bound states, a powerful ingredient in the search for a robust, topologically …
Transport theory for topological Josephson junctions with a Majorana qubit
We construct a semiclassical theory for the transport of topological Josephson junctions
starting from a microscopic Hamiltonian that comprehensively includes the interplay among …
starting from a microscopic Hamiltonian that comprehensively includes the interplay among …