Dicke subsystems are entangled
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.
Authors
- Szilárd Szalay (ORCID: https://orcid.org/0000-0002-1214-6811)
- Péter Nyári
Institutions
- Eötvös Loránd University (HU)
- University of the Basque Country (ES)
- HUN-REN Wigner Research Centre for Physics (HU)
Publication Details
- Journal
- Quantum
- Published
- 2025-11-06
- DOI
- https://doi.org/10.22331/q-2025-11-06-1908
- Primary Topic
- Quantum Information and Cryptography
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Wigner Fizikai Kutatóközpont, Magyar Tudományos Akadémia
- National Research, Development and Innovation Office