7,552 research outputs found

    Relative entropy of entanglement of rotationally invariant states

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    We calculate the relative entropy of entanglement for rotationally invariant states of spin-1/2 and arbitrary spin-jj particles or of spin-1 particle and spin-jj particle with integer jj. A lower bound of relative entropy of entanglement and an upper bound of distillable entanglement are presented for rotationally invariant states of spin-1 particle and spin-jj particle with half-integer jj.Comment: 13 pages, 3 figure

    Monogamous property of generalized W states in three-qubit systems in terms of relative entropy of entanglement

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    Because of the difficulty in getting the analytic formula of relative entropy of entanglement, it becomes troublesome to study the monogamy relations of relative entropy of entanglement for three-qubit pure states. However, we find that all generalized W states have the monogamous property for relative entropy of entanglement by calculating the relative entropy of entanglement for the reduced states of the generalized W states in three-qubit systems.Comment: 9 pages, 1 figur

    Robert V. Percival: Environmental Crusader

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    Professor Robert V. Percival wrote the book on environmental law and he\u27s out to save the world by educating the next generation of environmental lawyers

    Autodiagram version for Univac 1108

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    Autodiagram flow chart programming for Univac 110
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