摘要
<正>Weproposeann-ordernoise,whichisrealizedbydrivingann-orderlineardifferentialequationwithaGaussianwhitenoise.Thetime-derivativenoiseisalow-resistantband-passingnoise.Ifthederivativenoiseisregardedasathermalone,thesystemhasavanishingeffectivefrictionanditshouldinduceballisticdiffusionofafreeparticleatlongtimes.ThesimulationmethodforthegeneralizedLangevinequationdrivenbythen-ordernoiseisdiscussedsystematically.Thefeaturesofthree-orderderivativenoisesarepresentedwhentheyareappliedtoaratchetsystem.
出版日期
2007年07月17日(中国期刊网平台首次上网日期,不代表论文的发表时间)