Dynamical response of dissipative helical edge states
arXiv:1406.3633 · doi:10.1103/PhysRevB.90.201303
Abstract
Quantum spin Hall insulators are characterized by topologically protected counterpropagating edge states. Here we study the dynamical response of these helical edge states under a time-dependent flux biasing, in the presence of a heat bath. It is shown that the relaxation time of the edge carriers can be determined from a measurement of the dissipative response of topological insulator disks. The effects of various perturbations, including Zeeman coupling and disorder, are also discussed.
arXiv comment12 pages
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Cited by in corpus (5)
- Dynamic current susceptibility as a probe of Majorana bound states in nanowire-based Josephson junctions
- Andreev spectrum with high spin-orbit interactions: revealing spin splitting and topologically protected crossings
- Josephson effect in topological superconducting rings coupled to a microwave cavity
- Coherence-enhanced, phase-dependent dissipation in long SNS Josephson junctions: revealing Andreev Bound States dynamics
- Unidirectional magneto-transport of linearly dispersing topological edge states