Equilibrium and dynamical properties of the Boson Hubbard model in one dimension

R. T. Scalettar; G. Batrouni; P. J.H. Denteneer; F. Hébert; A. Muramatsu; M. Rigol; V. Rousseau; M. Troyer

doi:10.1007/s10909-005-6317-6

Equilibrium and dynamical properties of the Boson Hubbard model in one dimension

R. T. Scalettar, G. Batrouni, P. J.H. Denteneer, F. Hébert, A. Muramatsu, M. Rigol, V. Rousseau, M. Troyer

Physics

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

4 Scopus citations

Abstract

We describe quantum monte carlo simulations of the static and dynamic properties of the one dimensional boson Hubbard model, emphasizing the extent to which an external confining potential modifies the behavior. While the superfluid-Mott insulator quantum phase transition no longer exists when the system is confined, Mott and superfluid regions persist locally in the system. We construct a 'state diagram' based on the local density and compressibility profiles. Solitons present in the dynamics of the unconfined system survive the addition of a trapping potential.

Original language	English (US)
Pages (from-to)	313-332
Number of pages	20
Journal	Journal of Low Temperature Physics
Volume	140
Issue number	3-4
DOIs	https://doi.org/10.1007/s10909-005-6317-6
State	Published - Aug 2005

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

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abstract = "We describe quantum monte carlo simulations of the static and dynamic properties of the one dimensional boson Hubbard model, emphasizing the extent to which an external confining potential modifies the behavior. While the superfluid-Mott insulator quantum phase transition no longer exists when the system is confined, Mott and superfluid regions persist locally in the system. We construct a 'state diagram' based on the local density and compressibility profiles. Solitons present in the dynamics of the unconfined system survive the addition of a trapping potential.",

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AU - Scalettar, R. T.

AU - Batrouni, G.

AU - Denteneer, P. J.H.

AU - Hébert, F.

AU - Muramatsu, A.

AU - Rigol, M.

AU - Rousseau, V.

AU - Troyer, M.

PY - 2005/8

Y1 - 2005/8

N2 - We describe quantum monte carlo simulations of the static and dynamic properties of the one dimensional boson Hubbard model, emphasizing the extent to which an external confining potential modifies the behavior. While the superfluid-Mott insulator quantum phase transition no longer exists when the system is confined, Mott and superfluid regions persist locally in the system. We construct a 'state diagram' based on the local density and compressibility profiles. Solitons present in the dynamics of the unconfined system survive the addition of a trapping potential.

AB - We describe quantum monte carlo simulations of the static and dynamic properties of the one dimensional boson Hubbard model, emphasizing the extent to which an external confining potential modifies the behavior. While the superfluid-Mott insulator quantum phase transition no longer exists when the system is confined, Mott and superfluid regions persist locally in the system. We construct a 'state diagram' based on the local density and compressibility profiles. Solitons present in the dynamics of the unconfined system survive the addition of a trapping potential.

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SP - 313

EP - 332

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

IS - 3-4

ER -

Equilibrium and dynamical properties of the Boson Hubbard model in one dimension

Abstract

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