Quantum vortex creep :Hall and dissipative tunneling
Gwang-Hee Kim, Mincheol Shin
TL;DR
This paper investigates quantum vortex creep in superconductors considering both Hall and dissipative effects, calculating relaxation rates and crossover temperatures, and comparing theoretical results with experimental data.
Contribution
It introduces a path-integral approach to analyze quantum vortex creep with combined Hall and dissipative dynamics, providing new insights into relaxation rates and crossover temperatures.
Findings
Calculated relaxation rates and crossover temperatures for anisotropic and multilayer superconductors.
Compared theoretical predictions with experimental data, validating the model.
Identified the influence of both Hall and dissipative effects on vortex creep.
Abstract
Within the framework of the path-integral approach we study the quantum vortex creep for the situation where both the Hall and the dissipative dynamics are simultaneously present. We calculate the relaxation rate and the crossover temperature separating the thermal activation and the quantum tunneling processes for anisotropic or multilayer superconductors. The results are compared with the available experimental data.
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