Variational Analysis of the Speed of Propagating Fronts in Superconductors | Zendy

Neelufar Panna | Zendy

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Variational Analysis of the Speed of Propagating Fronts in Superconductors

Author(s) -

Neelufar Panna

Publication year - 2022

Publication title -

the chittagong university journal of science

Language(s) - English

Resource type - Journals

ISSN - 1561-1167

DOI - 10.3329/cujs.v43i1.57333

Subject(s) - superconductivity , ginzburg–landau theory , phase (matter) , physics , front (military) , variational method , function (biology) , condensed matter physics , mathematical analysis , mathematics , quantum mechanics , evolutionary biology , meteorology , biology

A new approach has taken to determine the speed of the superconducting-normal interface (front) propagating from a stable superconducting phase to the unstable normal phase by means of a variational method. In this process a trial function g(x) is introduced which has a relation with the superconducting order parameter F. Starting from the time-dependent Ginzburg-Landau (TDGL) equations an expression is derived for the front speed in terms of GL parameter κ.The Chittagong Univ. J. Sci. 43(1): 41-50, 2021

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