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Multipartite entanglement measures based on the thermodynamic framework

arXiv
Authors: Chen-Ming Bai, Yu Luo

Year

2026

Paper ID

3085

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

In this work, we introduce a unified method to characterize and measure multipartite entanglement using the framework of thermodynamics. A family of the new entanglement measures is proposed: ergotropic-gap concentratable entanglement. Furthermore, we establish that ergotropic-gap concentratable entanglement constitutes a well-defined entanglement measure within a specific parameter regime, satisfying key properties including continuity, majorization monotonicity and monogamy. We demonstrate the utility of this measure by showing it effectively distinguishes between multi-qubit Greenberger-Horne-Zeilinger states and W states. It also proves effective in detecting entanglement in specific classes of four-partite star quantum network states.

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  • This paper contributes to the Quantum Software Tools & Programming research area in the Quantum Articles archive.
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  • In this work, we introduce a unified method to characterize and measure multipartite entanglement using the framework of thermodynamics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2601.22583 [2] arXiv https://arxiv.org/abs/2601.22583 [3] Publisher https://arxiv.org/abs/2601.22583

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