Symmetry Resolved Multipartite Entanglement Entropy

• URL: http://arxiv.org/abs/2509.13410v1
• Date: Tue, 16 Sep 2025 18:00:02 GMT
• Title: Symmetry Resolved Multipartite Entanglement Entropy
• Authors: Ashwat Jain,
• Abstract summary: We perform the symmetry resolution of a multipartite entanglement measure, namely the global entanglement $Q$ introduced by Meyer and Wallach.<n>For an ensemble of Haar random states we find agreement with equipartition, with leading order behaviour and finite size corrections.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We perform the symmetry resolution of a multipartite entanglement measure, namely the global entanglement $Q$ introduced by Meyer and Wallach [2002, J. of Math. Phys., 43, pp. 4273] for all systems of distinguishable particles hosting a locally acting symmetry. For an ensemble of Haar random states we find agreement with equipartition, with leading order behaviour and finite size corrections which follow a power law scaling with the number of local degrees of freedom. Implications of this result for the general symmetry-resolved multipartite entanglement paradigm are discussed and some possible experimental verification methods are presented.

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