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On Ergotropic Gap of Tripartite Separable Systems

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标题:On Ergotropic Gap of Tripartite Separable Systems

作者:费少明 教授

简介:Extracting work from quantum system is one of the important areas in quantum thermodynamics. As a significant thermodynamic quantity, the ergotropy gap characterizes the difference between the global and local maximum extractable works. We derive an analytical upper bound of the ergotropic gap with respect to dxdxd tripartite separable states. This bound also provides a necessary criterion for the separability of tripartite states. Detailed examples are presented to illustrate the e±ciency of this separability criterion.

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