A complete hierarchy for the pure state marginal problem in quantum mechanics
oleh: Xiao-Dong Yu, Timo Simnacher, Nikolai Wyderka, H. Chau Nguyen, Otfried Gühne
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2021-02-01 |
Deskripsi
The quantum marginal problem interrogates the existence of a global pure quantum state with some given marginals. Here, the authors reformulate it as an optimisation problem, and specifically as the existence of a two-party separable state with additional semidefinite constraints.