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Sonic horizon formation for oscillating Bose-Einstein condensates in isotropic harmonic potential_上海

上海光学精密机械研究所 免费考研网/2018-05-06

外文题目: Sonic horizon formation for oscillating Bose-Einstein condensates in isotropic harmonic potential
作者: Wang, Ying; Zhou, Yu; Zhou, Shuyu
刊名: Sci Rep
年: 2016 卷: 6 文章编号:38512
英文关键词:

DARK SOLITONS; ANALOG; GAS
英文摘要:
We study the sonic horizon phenomena of the oscillating Bose-Einstein condensates in isotropic harmonic potential. Based on the Gross-Pitaevskii equation model and variational method, we derive the original analytical formula for the criteria and lifetime of the formation of the sonic horizon, demonstrating pictorially the interaction parameter dependence for the occur-rence of the sonic horizon and damping effect of the system distribution width. Our analytical results corroborate quantitatively the particular features of the sonic horizon reported in previous numerical study.


文献类型: 期刊论文
正文语种: English
收录类别: SCI
DOI: 10.1038/srep38512


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