Bose–Hubbard phase transition with two- and three-body interaction in a magnetic field

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• 作者：Beibing Huang ; Shaolong Wan
• 关键词：Bose– ; Hubbard model ; Phase boundary ; Three-body interaction ; Magnetic field
• 刊名：Physics Letters A
• 出版年：2010
• 出版时间：20 September 2010
• 年：2010
• 卷：374
• 期：42
• 页码：4364-4368
• 全文大小：1102 K

文摘

Phase boundaries of classical and quantum phase transitions of two-dimensional Bose–Hubbard model with two- and three-body on-site interactions in a magnetic field are obtained analytically in a unified theoretical frame. All results illustrate that the introduction of magnetic field enhances the stability of normal state and Mott insulator.