Nonnegative mixed states in Weyl–Wigner–Moyal theory
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| Authors: | , |
|---|---|
| Format: | artículo original |
| Publication Date: | 1988 |
| Description: | We classify the gaussian Wigner functions corresponding to mixed states and show that, unlike the case of pure states, not all nonnegative mixed states are gaussian. |
| Country: | Kérwá |
| Institution: | Universidad de Costa Rica |
| Repositorio: | Kérwá |
| Language: | Inglés |
| OAI Identifier: | oai:kerwa.ucr.ac.cr:10669/86434 |
| Online Access: | https://www-sciencedirect-com/science/article/pii/0375960188910353 https://hdl.handle.net/10669/86434 |
| Keyword: | Phase-space quantum mechanics Weyl-Wigner-Moyal theory Quantum state |