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Pair superfluid and supersolid of correlated hard-core bosons on a triangular lattice

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Pair superfluid and supersolid of correlated hard-core bosons on a triangular lattice

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Author: Jiang, Hong-Chen; Fu, Liang; Xu, Cenke
Department: Massachusetts Institute of Technology. Dept. of Physics
Publisher: American Physical Society
Date Issued: 2012-07
Abstract:
We have systematically studied the hard-core Bose-Hubbard model with correlated hopping on a triangular lattice using the density-matrix renormalization group method. A rich ground-state phase diagram is determined. In this phase diagram there is a supersolid phase and a pair superfluid phase due to the interplay between the ordinary frustrated boson hopping and an unusual correlated hopping. In particular, we find that the quantum phase transition between the supersolid phase and the pair superfluid phase is continuous.
URI: http://hdl.handle.net/1721.1/73871
ISSN: 1098-0121
1550-235X
Citation: Jiang, Hong-Chen, Liang Fu, and Cenke Xu. “Pair Superfluid and Supersolid of Correlated Hard-core Bosons on a Triangular Lattice.” Physical Review B 86.4 (2012). ©2012 American Physical Society
Version: Final published version
Terms of Use: Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Published As: http://dx.doi.org/10.1103/PhysRevB.86.045129
Journal: Physical Review B

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