Dicke态中的可约关联
Reducible Correlations in Dicke States
摘要：
我们应用一个简单的观察表明，广义Dicke态可以从它们的约化子系统中确定。在这个框架中，它是足够的计算表达式仅对角元素redced密度矩阵的状态系数。我们证明了广义Dicke态$|GD_N^{(\ell)}>$的关联可以约化为$2\ell$ -粒子水平.应用量子边际问题也进行了讨论。
英文摘要：
We apply a simple observation to show that the generalized Dicke states can be determined from their reduced subsystems. In this framework, it is sufficient to calculate the expression for only the diagonal elements of the reudced density matrices in terms of the state coefficients. We prove that the correlation in generalized Dicke states $|GD_N^{(\ell)}>$ can be reduced to $2\ell$-partite level. Application to the Quantum Marginal Problem is also discussed.
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