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This paper analyzes the entanglement properties of GHZ diagonal states, establishing their high symmetry and relevance for multipartite quantum key distribution protocols. The study focuses on fundamental quantum information theory rather than near-term commercial applications or classical computing infrastructure.

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Multipartite GHZ diagonal states and their entanglement properties

arXivSeptember 24, 20261 min read

arXiv:2609.28351v1 Announce Type: new Abstract: In this paper, we investigate the family of GHZ diagonal states, which are mixed multipartite quantum states that are diagonal in a GHZ type basis. We show that the class of GHZ diagonal states is highly symmetric and exhibits rich entanglement properties, making it relevant for applications in multipartite quantum key distribution.

Abstract:In this paper, we investigate the family of GHZ diagonal states, which are mixed multipartite quantum states that are diagonal in a GHZ type basis. We show that the class of GHZ diagonal states is highly symmetric and exhibits rich entanglement properties, making it relevant for applications in multipartite quantum key distribution.

arXiv:2609.28351 [quant-ph]

(or arXiv:2609.28351v1 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2609.28351 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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