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Zhang, XF; Dillenschneider, R; Yu, Y; Eggert, S; Zhang, XF (reprint author), Univ Kaiserslautern, Dept Phys, DE-67663 Kaiserslautern, Germany.
Supersolid phase transitions for hard-core bosons on a triangular lattice
Source PublicationPHYSICAL REVIEW B
Language英语
KeywordHelium
AbstractHard-core bosons on a triangular lattice with nearest-neighbor repulsion are a prototypical example of a system with supersolid behavior on a lattice. We show that in this model the physical origin of the supersolid phase can be understood quantitatively and analytically by constructing quasiparticle excitations of defects that are moving on an ordered background. The location of the solid to supersolid phase transition line is predicted from the effective model for both positive and negative (frustrated) hopping parameters. For positive hopping parameters the calculations agree very accurately with numerical quantum Monte Carlo simulations. The numerical results indicate that the supersolid to superfluid transition is first order.
2011
ISSN1098-0121
Volume84Issue:17Pages:174515
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDAAD; DFG via the Research Center [Transregio 49] ; DAAD; DFG via the Research Center [Transregio 49] ; DAAD; DFG via the Research Center [Transregio 49] ; DAAD; DFG via the Research Center [Transregio 49]
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14229
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhang, XF (reprint author), Univ Kaiserslautern, Dept Phys, DE-67663 Kaiserslautern, Germany.
Recommended Citation
GB/T 7714
Zhang, XF,Dillenschneider, R,Yu, Y,et al. Supersolid phase transitions for hard-core bosons on a triangular lattice[J]. PHYSICAL REVIEW B,2011,84(17):174515.
APA Zhang, XF,Dillenschneider, R,Yu, Y,Eggert, S,&Zhang, XF .(2011).Supersolid phase transitions for hard-core bosons on a triangular lattice.PHYSICAL REVIEW B,84(17),174515.
MLA Zhang, XF,et al."Supersolid phase transitions for hard-core bosons on a triangular lattice".PHYSICAL REVIEW B 84.17(2011):174515.
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