Possibility of a first-order superfluid-Mott-insulator transition of spinor bosons in an optical lattice

Takashi Kimura; Shunji Tsuchiya; Susumu Kurihara

doi:10.1103/PhysRevLett.94.110403

Possibility of a first-order superfluid-Mott-insulator transition of spinor bosons in an optical lattice

Takashi Kimura^*, Shunji Tsuchiya, Susumu Kurihara

^*Corresponding author for this work

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

77 Citations (Scopus)

Abstract

We study the superfluid-Mott-insulator transition of antiferromagnetic spin-1 bosons in an optical lattice described by a Bose-Hubbard model. Our variational study with the Gutzwiller variational wave function determines that the superfluid-Mott-insulator transition is a first-order one at a part of the phase boundary curve, contrary to the spinless case.

Original language	English
Article number	110403
Journal	Physical Review Letters
Volume	94
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.94.110403
Publication status	Published - 2005 Mar 25

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.94.110403

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abstract = "We study the superfluid-Mott-insulator transition of antiferromagnetic spin-1 bosons in an optical lattice described by a Bose-Hubbard model. Our variational study with the Gutzwiller variational wave function determines that the superfluid-Mott-insulator transition is a first-order one at a part of the phase boundary curve, contrary to the spinless case.",

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AB - We study the superfluid-Mott-insulator transition of antiferromagnetic spin-1 bosons in an optical lattice described by a Bose-Hubbard model. Our variational study with the Gutzwiller variational wave function determines that the superfluid-Mott-insulator transition is a first-order one at a part of the phase boundary curve, contrary to the spinless case.

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Possibility of a first-order superfluid-Mott-insulator transition of spinor bosons in an optical lattice

Abstract

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