Vortex shear effects in layered superconductors
V. Braude, A. Stern
TL;DR
This paper introduces a macroscopic model for layered superconductors that explains inhomogeneous current distribution, shear effects, and reproduces experimental non-linearities and re-entrant temperature behavior.
Contribution
It provides a new macroscopic model based on microscopic calculations to describe vortex shear effects in layered superconductors.
Findings
Model accounts for strong current non-linearities
Reproduces re-entrant temperature dependence
Aligns with recent experimental observations
Abstract
Motivated by recent transport and magnetization measurements in BSCCO samples [B. Khaykovich et. al., Phys. Rev. B 61, R9261 (2000)], we present a simple macroscopic model describing effects of inhomogeneous current distribution and shear in a layered superconductor. Parameters of the model are deduced from a microscopic calculation. Our model accounts for the strong current non-linearities and the re-entrant temperature dependence observed in the experiment.
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