期刊
PHYSICA SCRIPTA
卷 86, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0031-8949/86/05/058510
关键词
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资金
- Academy of Finland (FiDiPro scheme)
- European Science Foundation
Single-particle experiments produce time series x(t) of individual particle trajectories, frequently revealing anomalous diffusion behaviour. Typically, individual x(t) are evaluated in terms of time-averaged quantities instead of ensemble averages. Here we discuss the behaviour of the time-averaged mean squared displacement of different stochastic processes giving rise to anomalous diffusion. In particular, we pay attention to the ergodic properties of these processes, i.e. the (non)equivalence of time and ensemble averages.
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