Ginzburg-Landau theory

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Ginzburg-Landau theory

[′ginz·bərg ′lan·dau̇ ‚thē·ə·rē]
(cryogenics)
A phenomenological theory of superconductivity which accounts for the coherence length; the ordered state of a superconductor is described by a complex order parameter which is similar to a Schrödinger wave function, but describes all the condensed superelectrons, rather than a single charged particle. Also known as Landau-Ginzburg theory.
References in periodicals archive ?
Ginzburg-Landau parameter [kappa] is defined as [kappa] = [lambda]/[xi].
Three-dimensional, cubic superconductor domain of size 20[xi] x 20[xi] x 20[xi], periodic along z-axis (along the direction of applied magnetic field), was discretized with grid size 0.5 [xi] in each direction, and magnetic field was applied in z-axis direction with Ginzburg-Landau parameter [kappa]=4.