Langevin simulation of scalar fields: Additive and multiplicative noises and lattice renormalization

N.C. Cassol-Seewald, R.L.S. Farias, E.S. Fraga, G. Krein and Rudnei O. Ramos

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 16, 4088-4099

Abstract: We consider the Langevin lattice dynamics for a spontaneously broken λϕ4 scalar field theory where both additive and multiplicative noise terms are incorporated. The lattice renormalization for the corresponding stochastic Ginzburg–Landau–Langevin and the subtleties related to the multiplicative noise are investigated.

Keywords: Langevin dynamics; Lattice renormalization; Multiplicative noise (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:16:p:4088-4099

DOI: 10.1016/j.physa.2012.03.026

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