Entropy and Wigner Distribution Functions Revisited |
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| Authors: | Joachim J Włodarz |
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| Institution: | (1) Department of Theoretical Chemistry, Silesian University, Szkolna 9, PL-40006 Katowice, Poland |
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| Abstract: | Several expressions for quantum entropy proposed in the literature are evaluated within the Weyl—Wigner—Moyal phase-space representation of quantum mechanics, with emphasis on some important subtle points in this approach. It has been found that the Rényi—Süßmann entropy and its linearization are distinguished because of their properties. |
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| Keywords: | phase-space quantum mechanics Wigner distribution function entropy Ré nyi— Sü ß mann entropy linear entropy |
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