English

Dicke subsystems are entangled

Quantum Physics 2025-11-12 v3 Mathematical Physics math.MP

Abstract

We show that all reduced states of nonproduct symmetric Dicke states of arbitrary number of qudits are genuinely multipartite entangled, and of nonpositive partial transpose with respect to any subsystem.

Cite

@article{arxiv.2502.18574,
  title  = {Dicke subsystems are entangled},
  author = {Szilárd Szalay and Péter Nyári},
  journal= {arXiv preprint arXiv:2502.18574},
  year   = {2025}
}

Comments

7 pages, 1 figure

R2 v1 2026-06-28T21:57:52.052Z