期刊
EPL
卷 94, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/94/20008
关键词
-
资金
- Academy of Finland
- European Commission [219966]
We study the survival probability and the corresponding first passage time density of fractional Brownian motion (FBM) confined to a two-dimensional open wedge domain with absorbing boundaries. By analytical arguments and numerical simulation we show that in the long-time limit the first passage time density scales as p(Theta)(t) similar or equal to t(-1+pi(2H-2)/(2 Theta)) in terms of the Hurst exponent H and the wedge angle Theta. We discuss this scaling behaviour in connection with the reaction kinetics of FBM particles in a one-dimensional domain. Copyright (C) EPLA, 2011
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