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arxiv: quant-ph/0207010 · v1 · submitted 2002-07-02 · 🪐 quant-ph

Between entropy and subentropy

classification 🪐 quant-ph
keywords entropysubentropymixedstateaccessibleboundsconsistentdefine
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The von Neumann entropy and the subentropy of a mixed quantum state are upper and lower bounds, respectively, on the accessible information of any ensemble consistent with the given mixed state. Here we define and investigate a set of quantities intermediate between entropy and subentropy.

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