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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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长时相干效应与分形布朗运动
DOI: 10.11858/gywlxb.1991.01.008, PP. 52-56
Keywords: 分形,布朗及分形布朗运动,扩散,Fokker-Planck方程
Abstract:
我们研究了阻尼布朗粒子，在具有幂律长时相干C(t)~t-β（0<β<1，1<β<2）的无规涨落力作用下的运动情况。我们发现它是作分形布朗运动，而不是作普通的布朗运动，而且，找出了分形布朗运动的有效Fokker-Planck方程，以及相应的精确解。于是第一次把长时相干效应和分形布朗运动建立了定量的联系。
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