Shaji, Anil ; Sudarshan, E. C. G. (2005) Who's afraid of not completely positive maps? Physics Letters A, 341 (1-4). pp. 48-54. ISSN 0375-9601
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.physleta.2005.04.029
Abstract
The arguments that are often put forward to justify the singular importance given to completely positive maps over more generic maps in describing open quantum evolution are studied. We find that these do not appear convincing on closer examination. Positive as well as not positive maps are good candidates for describing open quantum evolution.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Open Quantum Systems; Reduced Dynamics; Entanglement; Not completely Positive Maps |
| ID Code: | 51008 |
| Deposited On: | 27 Jul 2011 13:03 |
| Last Modified: | 27 Jul 2011 13:03 |
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