Crossover to the KPZ equation

We consider the weakly asymmetric simple exclusion process and we show that the density field is governed by an Ornstein-Uhlenbeck process for strength asymmetry n2-γ if γϵ (1=2; 1), while for γ= 1=2 it is an energy solution of the KPZ equation.

Detalhes bibliográficos
Autor principal: Gonçalves, Patrícia (author)
Outros Autores: Jara, Milton (author)
Formato: conferencePaper
Idioma:eng
Publicado em: 2010
Assuntos:
Texto completo:http://hdl.handle.net/1822/25232
País:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/25232