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Abstract: We apply a simple observation to show that the generalized Dicke states canbe determined from their reduced subsystems. In this framework, it issufficient to calculate the expression for only the diagonal elements of thereudced density matrices in terms of the state coefficients. We prove that thecorrelation in generalized Dicke states $|GD N^{\ell}>$ can be reduced to$2\ell$-partite level. Application to the Quantum Marginal Problem is alsodiscussed.



Autor: Preeti Parashar, Swapan Rana

Fuente: https://arxiv.org/







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