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首页> 外文期刊>Physical review, E. Statistical physics, plasmas, fluids, and related interdisciplinary topics >Characteristic features of symmetry breaking in two-component Bose-Einstein condensates - art. no. 066201
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Characteristic features of symmetry breaking in two-component Bose-Einstein condensates - art. no. 066201

机译:两组分玻色-爱因斯坦凝聚物中对称性断裂的特征-艺术。没有。 066201

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摘要

We examine the stability properties of the ground state of two-component Bose-Einstein condensates as a function of the interspecies interactions. A stability criterion is identified from the curvature matrix of the Gross-Pitaevskii energy functional subject to the normalization conditions. By analyzing the stability signature, the characteristic features of the spontaneous spatial symmetry breaking are verified in various types of traps. The details of the differences between the continuous symmetry breaking and discrete symmetry breaking are discussed. [References: 21]
机译:我们检查了两组分玻色-爱因斯坦凝聚物基态的稳定性,它是种间相互作用的函数。从归一化条件下的Gross-Pitaevskii能量函数的曲率矩阵确定稳定性准则。通过分析稳定性特征,在各种类型的圈闭中验证了自发的空间对称性破坏的特征。讨论了连续对称破坏和离散对称破坏之间差异的细节。 [参考:21]

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