Strongly spinor ferromagnetic Bose gases

被引：5
|
作者：
So, Kohaku H. Z. [1 ]
Ueda, Masahito [1 ,2 ]
机构：
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan
[2] RIKEN, CEMS, Wako, Saitama 3510198, Japan
来源：
PHYSICAL REVIEW A | 2017年 / 96卷 / 02期
基金：
日本学术振兴会;
关键词：
SUPERFLUID; TRANSITION; INSULATOR; BOSONS; ATOMS; MODEL;
D O I：
10.1103/PhysRevA.96.023628
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By studying the zero-temperature and nonzero-temperature phase diagrams of the ferromagnetic spin-1 Bose-Hubbard model under an external magnetic field, we find that the competition between ferromagnetism and the quadratic Zeeman energy yields two superfluid phases, which feature discontinuous first-order phase transitions between them for a strongly spinor Bose gas such as Li-7, contrary to the corresponding continuum system.
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收藏
页数：8
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