ITP OpenIR  > SCI期刊论文
Jiang, H. C.; Weng, Z. Y.; Xiang, T.; Jiang, HC , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
Superfluid-Mott-insulator transition in a one-dimensional optical lattice with double-well potentials
Source PublicationPHYSICAL REVIEW B
KeywordQuantum Renormalization-groups
AbstractWe study the superfluid-Mott-insulator transition of ultracold bosonic atoms in a one-dimensional optical lattice with a double-well confining trap using the density-matrix renormalization group method. At low density, the system behaves similarly as two separated ones inside each well. At high density, however, interesting features appear resulting from the quantum tunnelling between the two wells and the competition between the "superfluid" and Mott regions. These interesting features are characterized by a rich step-plateau structure in the visibility and the satellite peaks in the momentum distribution function, with an oscillating pattern as a function of the on-site repulsion. These properties shed light on the understanding of the quantum phase coherence between two coupled condensates.
2007
ISSN1098-0121
Volume76Issue:22Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5619
CollectionSCI期刊论文
Corresponding AuthorJiang, HC , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Jiang, H. C.,Weng, Z. Y.,Xiang, T.,et al. Superfluid-Mott-insulator transition in a one-dimensional optical lattice with double-well potentials[J]. PHYSICAL REVIEW B,2007,76(22):-.
APA Jiang, H. C.,Weng, Z. Y.,Xiang, T.,&Jiang, HC , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.(2007).Superfluid-Mott-insulator transition in a one-dimensional optical lattice with double-well potentials.PHYSICAL REVIEW B,76(22),-.
MLA Jiang, H. C.,et al."Superfluid-Mott-insulator transition in a one-dimensional optical lattice with double-well potentials".PHYSICAL REVIEW B 76.22(2007):-.
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