Open AccessVariational 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