期刊
PHYSICAL REVIEW RESEARCH
卷 2, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.2.033506
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资金
- MOST (Taiwan) [106-2112-M-018-005-MY3]
- JSPS KAKENHI Grants [JP17K05549, JP18KK0391, JP20H01842]
- OCU Think globally, act locally Research Grant for Young Scientists 2019 and 2020 through the hometown donation fund of Osaka City
We theoretically study the structure of a stationary soliton in the polar phase of spin-1 Bose-Einstein condensate in the presence of quadratic Zeeman effect at zero temperature. The phase diagram of such solitons is mapped out by finding the states of minimal soliton energy in the defining range of polar phase. The states are assorted into normal, antiferromagnetic, broken-axisymmetry, and ferromagnetic phases according to the particle and spin densities in the core. The order of phase transitions between different solitons and the critical behavior of relevant continuous transitions are proved within the mean-field theory.
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