Variational approach to dynamics of interfaces and quantized vortex lines

Kyozi Kawasaki

Physica A: Statistical Mechanics and its Applications, 1983, vol. 119, issue 1, 17-40

Abstract: A variational formulation is presented for deriving equations of motion of topological singularities of stochastic nonlinear field equations which permits a clear separation of static and kinetic interactions that enter the problem. The method is used to obtain stochastic equations of motion of interfaces of binary critical fluids and also of quantized vortex lines of superfluid Helium with thermal noise.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:119:y:1983:i:1:p:17-40

DOI: 10.1016/0378-4371(83)90143-7

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