Coherent exciton transport on scale-free networks
Xu XP(徐新平); Xu, XP; Liu, F
刊名NEW JOURNAL OF PHYSICS
2008
卷号10页码:123012
学科分类Physics
DOI10.1088/1367-2630/10/12/123012
通讯作者[Xu, X. P. ; Liu, F.] Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; [Xu, X. P.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要The coherent exciton transport on a class of deterministic and random scale-free networks (DSFNs and RSFNs) generated by simple rules is studied in this paper. The coherent exciton dynamics is modeled by continuous-time quantum walks, and we calculate the transition probabilities between two nodes of the networks. We find that the transport depends on the initial nodes of the excitation. For DSFNs, the probabilities of finding the excitation at the initial central nodes are nearly periodic, in contrast to the flat behavior found for RSFNs. In the long time limit, the transition probabilities on DSFNs show characteristic patterns with identical values. For RSFNs, we find that the excitation is most likely to be found at the initial nodes with high connectivity. All these features of quantum transport are significantly different from those of the classical transport modeled by continuous-time random walks.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000261469800007
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240978
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Xu XP,Xu, XP,Liu, F. Coherent exciton transport on scale-free networks[J]. NEW JOURNAL OF PHYSICS,2008,10:123012.
APA 徐新平,Xu, XP,&Liu, F.(2008).Coherent exciton transport on scale-free networks.NEW JOURNAL OF PHYSICS,10,123012.
MLA 徐新平,et al."Coherent exciton transport on scale-free networks".NEW JOURNAL OF PHYSICS 10(2008):123012.
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