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Flux in the Case of Gaussian White Noises
Authors:LI Jinghui  HUANG Zuqia
Institution:1. Department of Physics, Nanjing University, Nanjing 210008, China; 2. Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, China
Abstract:The transport of a spatially periodic system driven by additive and multiplicative Gaussian white noises (between which there is a correlation function) is investigated. The probability current (flux) shows .that the correlation function between the additive and multiplicative noises, and the spatial asymmetry are ingredients for the flux of particles. It is a new phenomenon that the correlation function between the additive and multiplicative noises can cause transport.
Keywords:Gaussian white noise  stochastic system  transport  probability current  
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