ZHOU Xiaoyan,LIANG Qingqing,ZHAO Chunyan,et al.The stability of excited states for two -component Bose -Einstein Condensates in the shallow trap[J].Journal of Yanbian University,2020,46(04):317-320.
浅阱中双组份玻色爱因斯坦凝聚体的激发态稳定性研究
- Title:
- The stability of excited states for two -component Bose -Einstein Condensates in the shallow trap
- 文章编号:
- 1004-4353(2020)04-0317-04
- Keywords:
- BECs; two -component; critical condition; excited state; collapse
- 分类号:
- O469
- 文献标志码:
- A
- 摘要:
- 应用变分法研究了囚禁在浅阱中双组份玻色爱因斯坦凝聚体激发态的稳定性.结果显示:凝聚体之间的相互作用系数对其稳定性具有至关重要的作用,利用Feshbach共振技术调制原子之间的相互作用系数可以抑制凝聚体激发态的塌缩.另外,通过变分法计算得到了控制激发态塌缩的临界条件.
- Abstract:
- The stability of excited states fortwo -component Bose -Einstein Condensates(BECs)trapedin a shallow trap is investigated using the variational method. The results show that the atom interaction coefficient between BECs plays an important role in their stabilizing. The collapse of the excited state of the BECs can be suppressed by modulating the interaction coefficient between atoms using Feshbach resonance. In addition, the critical condition for controlling the collapse of the excited state is also obtained using the variational method for calculating.
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相似文献/References:
[1]周小燕,梁青青,赵春艳.浅阱中双组份玻色- 爱因斯坦凝聚体基态的稳定性研究[J].延边大学学报(自然科学版),2020,46(01):37.
ZHOU Xiaoyan,LIANG Qingqing,ZHAO Chunyan.The ground state stability of a two -component Bose -Einstein condensates in a finite deep trap[J].Journal of Yanbian University,2020,46(04):37.
备注/Memo
收稿日期: 2020-09-23 作者简介: 周小燕(1981—),女,讲师,研究方向为理论物理.
基金项目: 兰州文理学院校级项目(17XJZZ08); 甘肃省高等学校创新基金资助项目(2020A-160)