Temperature-dependent Ginzburg-Landau parameter

TL;DR

This paper derives an analytic formula describing how the Ginzburg-Landau parameter varies with temperature near the critical temperature in type-II superconductors, considering both orbital and paramagnetic effects.

Contribution

It introduces a simple analytic expression for the temperature dependence of the Ginzburg-Landau parameter including depairing effects.

Findings

Provides a formula valid near the critical temperature.

Accounts for both orbital and paramagnetic depairing effects.

Enhances understanding of superconductor behavior close to critical conditions.

Abstract

Taking into account both the orbital and the paramagnetic depairing effects we derive a simple analytic formula for the temperature dependence of the Ginzburg-Landau parameter valid in vicinity of field dependent critical temperature in a type-II superconductor.