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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Variation of the spin textures of 2-species spin-1 condensates studied beyond the single spatial mode approximation and the experimental identification of these textures
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Variation of the spin textures of 2-species spin-1 condensates studied beyond the single spatial mode approximation and the experimental identification of these textures

机译：2种Spin-1缩合物的旋转纹理的变异除了单个空间模式近似和这些纹理的实验识别之外

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摘要

Based on the numerical solutions of the coupled Gross-Pitaevskii equations, the spin-textures of the ground state of a Bose-Einstein condensate with two kinds of spin-1 atoms have been studied. Besides, making use of the fractional parentage coefficients, the probabilities of an atom in spin component mu and of two correlated atoms one in mu and one in nu have been calculated. The previous results under the single spatial mode approximation (SMA) are found to be qualitatively consistent with the present results beyond the SMA. The variation of the probabilities against the input parameters is found to match the corresponding variation of the spin-textures excellently. In particular, once a spin-texture transition occurs, the associated probabilities will change suddenly. Since the probabilities are observable, the observation provides a way for the experimental identification of the spin-textures. Besides, sine the critical points (where a transition occurs) can be accurately identified, information on the input parameters (say, the very weak spin-dependent forces) can be extracted.
机译：基于耦合的粗Litaevskii方程的数值解，研究了具有两种旋转1原子的Bose-Einstein冷凝物的研纹纹理。此外，利用分数级别系数，已经计算了旋转组分MU和两个相关原子中的两个相关原子中的原子的概率，并且已经计算了NU中的一个。在单个空间模式近似（SMA）下的先前结果被发现与超出SMA之外的当前结果进行定性符合。发现对输入参数的概率的变化符合旋转纹理的相应变化很好。特别地，一旦发生旋转纹理转换，相关概率会突然改变。由于可观察到的概率，观察提供了一种方法，用于旋转纹理的实验识别。此外，可以精确识别出临界点（发生转换）的临界点，可以提取关于输入参数的信息（例如，非常弱自旋依赖性力）。

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