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Liu, J; Li, BH; Chen, XS
Nonergodic property of the space-time coupled CTRW: Dependence on the long-tailed property and correlation
发表期刊PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
语种英语
关键词ANOMALOUS DIFFUSION DISORDERED MEDIA DISPERSION MODELS WALKS
摘要The space-time coupled continuous time random walk model is a stochastic framework of anomalous diffusion with many applications in physics, geology and biology. In this manuscript the time averaged mean squared displacement and nonergodic property of a space-time coupled continuous time random walk model is studied, which is a prototype of the coupled continuous time random walk presented and researched intensively with various methods. The results in the present manuscript show that the time averaged mean squared displacements increase linearly with lag time which means ergodicity breaking occurs, besides, we find that the diffusion coefficient is intrinsically random which shows both aging and enhancement, the analysis indicates that the either aging or enhancement phenomena are determined by the competition between the correlation exponent gamma and the waiting time's long-tailed index alpha. (C) 2017 Elsevier B.V. All rights reserved.
2018
ISSN0378-4371
卷号491页码:995-1000
学科领域Physics
学科门类Physics, Multidisciplinary
DOI10.1016/j.physa.2017.09.100
收录类别SCIE
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22973
专题理论物理所科研产出_SCI论文
作者单位1.Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
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GB/T 7714
Liu, J,Li, BH,Chen, XS. Nonergodic property of the space-time coupled CTRW: Dependence on the long-tailed property and correlation[J]. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,2018,491:995-1000.
APA Liu, J,Li, BH,&Chen, XS.(2018).Nonergodic property of the space-time coupled CTRW: Dependence on the long-tailed property and correlation.PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,491,995-1000.
MLA Liu, J,et al."Nonergodic property of the space-time coupled CTRW: Dependence on the long-tailed property and correlation".PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 491(2018):995-1000.
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