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

Cassol-Seewald, N. C. [UNESP]Farias, R. L. S.Fraga, E. S.Krein, Gastão Inácio [UNESP]Ramos, Rudnei O.2013-09-302014-05-202013-09-302014-05-202012-08-15Physica A-statistical Mechanics and Its Applications. Amsterdam: Elsevier B.V., v. 391, n. 16, p. 4088-4099, 2012.0378-4371http://hdl.handle.net/11449/24244We consider the Langevin lattice dynamics for a spontaneously broken 44 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. (C) 2012 Elsevier B.V. All rights reserved.4088-4099engLangevin dynamicsLattice renormalizationMultiplicative noiseLangevin simulation of scalar fields: Additive and multiplicative noises and lattice renormalizationArtigo10.1016/j.physa.2012.03.026WOS:000304891600004Acesso restrito5704289678296630