Eltschka, Christopher and Siewert, Jens (2020) Maximum N-body correlations do not in general imply genuine multipartite entanglement. QUANTUM, 4. ISSN 2521-327X,
Full text not available from this repository.Abstract
The existence of correlations between the parts of a quantum system on the one hand, and entanglement between them on the other, are different properties. Yet, one intuitively would identify strong N-party correlations with N-party entanglement in an N-partite quantum state. If the local systems are qubits, this intuition is confirmed: The state with the strongest N-party correlations is the Greenberger-Horne-Zeilinger (GHZ) state, which does have genuine multipartite entanglement. However, for high-dimensional local systems the state with strongest N-party correlations may be a tensor product of Bell states, that is, partially separable. We show this by introducing several novel tools for handling the Bloch representation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | STATES; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 30 Mar 2021 09:39 |
| Last Modified: | 30 Mar 2021 09:39 |
| URI: | https://pred.uni-regensburg.de/id/eprint/45143 |
Actions (login required)
 |
View Item |
