Many-Body Separability of Warm Qubits

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Yu, Ting
Eberly, J. H.
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Abstract
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We analyze the separability of the joint state of a collection of two-level systems at finite temperature T. The fact that only separable states are found in the neighborhood of their thermal equilibrium state guarantees that decoherence will destroy any initially arranged entanglement in a finite time.
Comment: 4 pages, 2 figures
Keywords
Quantum Physics, Condensed Matter - Statistical Mechanics
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