Acta Physica Sinica, Volume. 68, Issue 8, 087201-1(2019)

Mobility edges of bosonic pairs in one-dimensional quasi-periodical lattices

Zhi-Hao Xu*, Hong-Li Huangfu, and Yun-Bo Zhang
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NPR varying with the disorder strengths and the energy eigenvalues E for , and different U: (a) U = –15; (b) U = –20; (c) U = –40; (d) U = –100. The blue solid line represents the analytical expression of the mobility edges.时, 在不同的相互作用强度下随无序强度和能量本征值E的变化 (a) ; (b) ; (c) ; (d) ; 蓝色的实线对应迁移率边的表达式; 这里取
(a) Density distributions for , and , respectively ; (b) NPR varying with for and different and .(a) 时, 分别为和所对应本征态的密度分布; (b) 时, 不同和所对应的本征态的随的变化
(a) NPR varying with the disorder strength and the eigenvalues with , the blue solid line represents the analytical expression of the mobility edges; (b) density distributions for and different and ; (c) scaling of the NPR with system size for and different energies. Here, we choose and .(a) NPR在时随无序强度和能量本征值E的变化, 蓝色的实线对应迁移率边的表达式; (b) 0.048, 时, 能量和所对应的密度分布; (c) 不同能量的NPR在时随的变化. 这里我们选取,
(a), (b) and changing with different sites for and , respectively; (c), (d) NPR varying with and for and with the same parameters as (a) and (b), respectively. The blue solid line represents the analytical expression of the mobility edges.(a), (b) 分别为, 时, 与在格点上的分布情况; (c), (d) 在时随无序强度和能量本征值的变化, 其参数与(a), (b)相同; 蓝色的实线对应迁移率边的表达式
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Zhi-Hao Xu, Hong-Li Huangfu, Yun-Bo Zhang. Mobility edges of bosonic pairs in one-dimensional quasi-periodical lattices[J]. Acta Physica Sinica, 2019, 68(8): 087201-1

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Paper Information

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Received: Dec. 17, 2018

Accepted: --

Published Online: Oct. 29, 2019

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DOI:10.7498/aps.68.20182218

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