Supersolid phase in one-dimensional hard-core boson Hubbard model with a superlattice potential

Huai Ming Guo; Ying Liang

doi:10.1088/0253-6102/50/5/26

Supersolid phase in one-dimensional hard-core boson Hubbard model with a superlattice potential

Huai Ming Guo^*
, Ying Liang

^*Corresponding author for this work

Capital Normal University
Beijing Normal University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The ground state of the one-dimensional hard-core boson Hubbard model with a superlattice potential is studied by quantum Monte Carlo methods. We demonstrate that besides the CDW phase and the Mott insulator phase, the supersolid phase emerges due to the presence of the superlattice potential, which reflects the competition with the hopping term. We also study the densities of sublattices and have a clear idea about the distribution of the bosons on the lattice.

Original language	English
Pages (from-to)	1142-1144
Number of pages	3
Journal	Communications in Theoretical Physics
Volume	50
Issue number	5
DOIs	https://doi.org/10.1088/0253-6102/50/5/26
State	Published - 2008
Externally published	Yes

Keywords

Boson Hubbard model
Quantum Monte Carlo
Supersolid phase

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10.1088/0253-6102/50/5/26

Cite this

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title = "Supersolid phase in one-dimensional hard-core boson Hubbard model with a superlattice potential",

abstract = "The ground state of the one-dimensional hard-core boson Hubbard model with a superlattice potential is studied by quantum Monte Carlo methods. We demonstrate that besides the CDW phase and the Mott insulator phase, the supersolid phase emerges due to the presence of the superlattice potential, which reflects the competition with the hopping term. We also study the densities of sublattices and have a clear idea about the distribution of the bosons on the lattice.",

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author = "Guo, \{Huai Ming\} and Ying Liang",

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AU - Guo, Huai Ming

AU - Liang, Ying

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N2 - The ground state of the one-dimensional hard-core boson Hubbard model with a superlattice potential is studied by quantum Monte Carlo methods. We demonstrate that besides the CDW phase and the Mott insulator phase, the supersolid phase emerges due to the presence of the superlattice potential, which reflects the competition with the hopping term. We also study the densities of sublattices and have a clear idea about the distribution of the bosons on the lattice.

AB - The ground state of the one-dimensional hard-core boson Hubbard model with a superlattice potential is studied by quantum Monte Carlo methods. We demonstrate that besides the CDW phase and the Mott insulator phase, the supersolid phase emerges due to the presence of the superlattice potential, which reflects the competition with the hopping term. We also study the densities of sublattices and have a clear idea about the distribution of the bosons on the lattice.

KW - Boson Hubbard model

KW - Quantum Monte Carlo

KW - Supersolid phase

UR - https://www.scopus.com/pages/publications/65749108574

U2 - 10.1088/0253-6102/50/5/26

DO - 10.1088/0253-6102/50/5/26

M3 - 文章

AN - SCOPUS:65749108574

SN - 0253-6102

VL - 50

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EP - 1144

JO - Communications in Theoretical Physics

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ER -

Supersolid phase in one-dimensional hard-core boson Hubbard model with a superlattice potential

Abstract

Keywords

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