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A Study of Wigner Functions for Discrete-Time Quantum Walks

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dc.contributor.author	Hinarejos Doménech, Margarida
dc.contributor.author	Bañuls Polo, María Carmen
dc.contributor.author	Pérez Cañellas, Armando
dc.date.accessioned	2015-04-10T06:10:06Z
dc.date.available	2015-04-10T06:10:06Z
dc.date.issued	2013
dc.identifier.citation	Hinarejos Doménech, Margarida Bañuls Polo, María Carmen Pérez Cañellas, Armando 2013 A Study of Wigner Functions for Discrete-Time Quantum Walks Journal Of Computational And Theoretical Nanoscience 10 7- SI 1626 1633
dc.identifier.uri	http://hdl.handle.net/10550/42960
dc.description.abstract	We perform a systematic study of the discrete time Quantum Walk on one dimension using Wigner functions, which are generalized to include the chirality (or coin) degree of freedom. In particular, we analyze the evolution of the negative volume in phase space, as a function of time, for different initial states. This negativity can be used to quantify the degree of departure of the system from a classical state. We also relate this quantity to the entanglement between the coin and walker subspaces.
dc.language.iso	eng
dc.relation.ispartof	Journal Of Computational And Theoretical Nanoscience, 2013, vol. 10, num. 7- SI, p. 1626-1633
dc.subject	Física
dc.title	A Study of Wigner Functions for Discrete-Time Quantum Walks
dc.type	journal article	es_ES
dc.date.updated	2015-04-10T06:10:06Z
dc.identifier.doi	10.1166/jctn.2013.3101
dc.identifier.idgrec	091310
dc.rights.accessRights	open access	es_ES