科研之友
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摘要
The deviation effect of spinor mode from the single-mode for a spin-1 Bose gas of trapped atoms is studied beyond the mean field theory. Based on the effective Hamiltonian with nondegenerated level of the collective spin states, the splitting level of the system energy due to the deviation effect has been calculated. For the large condensates of Rb-87 and Na-23 with atom number N > 10(5), the splitting fraction of the energy, arising from the magnetization exhibited by the trapped Bose gas, is found to have a typical order of (10(-4) similar to 10(-8)), decreasing as N-2 for Rb-87 and increasing as -N-2 for 23 Na, respectively.
- 出版日期2004-4-10
- 单位中国科学院近代物理研究所; 兰州大学; 西北师范大学
