Vertical Microcavity Organic Light-emitting Field-effect Transistors

	Vertical Microcavity Organic Light-emitting Field-effect Transistors
	Hu, Y. S.; J. Lin; L. Song; Q. P. Lu; W. B. Zhu and X. Y. Liu
	2016
发表期刊	Scientific Reports
卷号	6
摘要	In this work, we use exact matrix diagonalization to explore the many-body localization (MBL) transition in a random-field Heisenberg chain. We demonstrate that the fidelity and fidelity susceptibility can be utilized to characterize the interaction-driven many-body localization transition in this closed spin system which is in agreement with previous analytical and numerical results [S. Garnerone, N. T. Jacobson, S. Haas, and P. Zanardi, Phys. Rev. Lett. 102, 057205 (2009); P. Zanardi and N. Paunkovic, Phys. Rev. E 74, 031123 (2006)]. In particular, instead of ground-state fidelity, we test the fidelity between two diagonal ensembles related by a small parameter perturbation delta h it is special that here the parameter perturbation delta h(i) for each site are random variables like hi. It shows that fidelity of the diagonal ensemble develop a pronounced drop at the transition. We utilize fidelity to estimate the critical disorder strength h(c) for different system size, we get h(c) is an element of [2.5,3.9] and get a power-law decay with an exponent of roughly -1.49(2) for system size N, and can extrapolate h(c)(inf) of the infinite system is about 2.07 which all agree with a recent work by Huse and Pal, in which the MBL transition in the same model was predicted to be hc [2,4]. We also estimate the scaling of maximum of averaged fidelity susceptibility as a function of system size N, it shows a power law increase with an exponent of about 5.05(1).
文章类型	期刊
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56970
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Hu, Y. S.,J. Lin,L. Song,et al. Vertical Microcavity Organic Light-emitting Field-effect Transistors[J]. Scientific Reports,2016,6.
APA	Hu, Y. S.,J. Lin,L. Song,Q. P. Lu,&W. B. Zhu and X. Y. Liu.(2016).Vertical Microcavity Organic Light-emitting Field-effect Transistors.Scientific Reports,6.
MLA	Hu, Y. S.,et al."Vertical Microcavity Organic Light-emitting Field-effect Transistors".Scientific Reports 6(2016).

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