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Wigner function for a particle in an infinite lattice
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Wigner function for a particle in an infinite lattice
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| dc.contributor.author | Hinarejos Doménech, Margarida | |
| dc.contributor.author | Pérez Cañellas, Armando | |
| dc.contributor.author | Bañuls Polo, María Carmen | |
| dc.date.accessioned | 2014-02-19T11:29:49Z | |
| dc.date.available | 2014-02-19T11:29:49Z | |
| dc.date.issued | 2012 | |
| dc.identifier.citation | Hinarejos Domenech, Margarida Maria Pérez Cañellas, Armando Bañuls, M. C. 2012 Wigner function for a particle in an infinite lattice New Journal of Physics 14 103009 | |
| dc.identifier.uri | http://hdl.handle.net/10550/33090 | |
| dc.description.abstract | We study the Wigner function for a quantum system with a discrete, infinite-dimensional Hilbert space, such as a spinless particle moving on a one-dimensional infinite lattice. We discuss the peculiarities of this scenario and of the associated phase-space construction, propose a meaningful definition of the Wigner function in this case and characterize the set of pure states for which it is non-negative. We propose a measure of non-classicality for states in this system, which is consistent with the continuum limit. The prescriptions introduced here are illustrated by applying them to localized and Gaussian states and to their superpositions. | |
| dc.relation.ispartof | New Journal of Physics, 2012, vol. 14, p. 103009 | |
| dc.subject | Partícules (Física nuclear) | |
| dc.title | Wigner function for a particle in an infinite lattice | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-02-19T11:29:50Z | |
| dc.identifier.doi | 10.1088/1367-2630/14/10/103009 | |
| dc.identifier.idgrec | 080791 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1088/1367-2630/14/10/103009 |
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