Preservers for the Tsallis Entropy of Convex Combinations of Density Operators

Xiaochun Fang and Yihui Lao

Advances in Mathematical Physics, 2018, vol. 2018, issue 1

Abstract: Let H be a complex separable Hilbert space; we first characterize the unitary equivalence of two density operators by use of Tsallis entropy and then obtain the form of a surjective map on density operators preserving Tsallis entropy of convex combinations.

Date: 2018
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https://doi.org/10.1155/2018/5296085

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2018:y:2018:i:1:n:5296085

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