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Information encoding of a qubit into a multilevel environment.
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Information encoding of a qubit into a multilevel environment.
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| dc.contributor.author | Pérez Cañellas, Armando | |
| dc.date.accessioned | 2014-02-20T08:50:22Z | |
| dc.date.available | 2014-02-20T08:50:22Z | |
| dc.date.issued | 2010 | |
| dc.identifier.citation | Pérez Cañellas, Armando 2010 Information encoding of a qubit into a multilevel environment. Physical Review A 81 5 052326-1 052326-6 | |
| dc.identifier.uri | http://hdl.handle.net/10550/33111 | |
| dc.description.abstract | I consider the interaction of a small quantum system (a qubit) with a structured environment consisting of many levels. The qubit will experience a decoherence process, which implies that part of its initial information will be encoded into correlations between system and environment. I investigate how this information is distributed on a given subset of levels as a function of its size, using the mutual information between both entities, in the spirit of the partial-information plots studied by Zurek and co-workers. In this case we can observe some differences, which arise from the fact that I am partitioning just one quantum system and not a collection of them. However, some similar features, like redundancy (in the sense that a given amount of information is shared by many subsets), which increases with the size of the environment, are also found here. | |
| dc.relation.ispartof | Physical Review A, 2010, vol. 81, num. 5, p. 052326-1-052326-6 | |
| dc.subject | Camps, Teoria quàntica de | |
| dc.title | Information encoding of a qubit into a multilevel environment. | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-02-20T08:50:22Z | |
| dc.identifier.doi | 10.1103/PhysRevA.81.052326 | |
| dc.identifier.idgrec | 063304 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1103/PhysRevA.81.052326 |
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