Quantitative test of thermal field theory for Bose-Einstein condensates.
Quantitative test of thermal field theory for Bose-Einstein condensates.
复制标题
玻色-爱因斯坦凝聚体热场理论的定量检验。
DOI:
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发表时间:
2003
影响因子:
8.6
通讯作者:
K. Burnett
中科院分区:
文献类型:
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作者:
S. Morgan;M. Rusch;D. Hutchinson;K. Burnett
We present numerical results from a second-order quantum field theory of Bose-Einstein condensates applied to the 1997 JILA experiment [Phys. Rev. Lett. 78, 764 (1997)]]. Good agreement is found for the energies and decay rates for both the lowest-energy m=2 and m=0 modes. The anomalous behavior of the m=0 mode is due to experimental perturbation of the noncondensate. The theory is gapless and includes the coupled dynamics of the condensate and thermal cloud, the anomalous pair average, and all relevant finite size effects.