Exact diagonalization of the one-dimensional Bose-Hubbard model with local three-body interactions

被引：39

作者：

Sowinski, Tomasz ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

PHYSICAL REVIEW A | 2012年 / 85卷 / 06期

关键词：

MOTT-INSULATOR; SUPERFLUID; TRANSITION;

D O I：

10.1103/PhysRevA.85.065601

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this Brief Report the extended Bose-Hubbard model with local two- and three-body interactions is studied by the exact diagonalization approach. The shapes of the first two insulating lobes are discussed and the values of the critical tunneling for which the insulating phase loses stability for repulsive and attractive three-body interactions are predicted.

引用

页数：5

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