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Decoherence in two-dimensional quantum random walks with traps

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dc.contributor.coauthorGönülol, Meltem
dc.contributor.coauthorAydıner, Ekrem
dc.contributor.departmentDepartment of Physics
dc.contributor.kuauthorMüstecaplıoğlu, Özgür Esat
dc.contributor.schoolcollegeinstituteCollege of Sciences
dc.date.accessioned2024-11-09T13:20:53Z
dc.date.issued2009
dc.description.abstractQuantum random walk in a two-dimensional lattice with randomly distributed traps is investigated. Distributions of quantum walkers are evaluated dynamically for the cases of Hadamard, Fourier, and Grover coins, and quantum to classical transition is examined as a function of the density of the traps. It is shown that traps act as a serious and additional source of quantum decoherence. Furthermore, nontrivial temporal dependence of the standard deviation of the probability distribution of the walker is found when the trapping imperfections are introduced.
dc.description.fulltextYES
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.issue2
dc.description.openaccessYES
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuN/A
dc.description.sponsorshipDokuz Eylül University
dc.description.versionPublisher version
dc.description.volume80
dc.identifier.doi10.1103/PhysRevA.80.022336
dc.identifier.eissn1094-1622
dc.identifier.embargoNO
dc.identifier.filenameinventorynoIR00725
dc.identifier.issn1050-2947
dc.identifier.quartileQ1
dc.identifier.scopus2-s2.0-69449085627
dc.identifier.urihttps://doi.org/10.1103/PhysRevA.80.022336
dc.identifier.wos269638200067
dc.keywordsStatic traps
dc.keywordsRelaxation
dc.keywordsDimensions
dc.keywordsDiffusion
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofPhysical Review A
dc.relation.urihttp://cdm21054.contentdm.oclc.org/cdm/ref/collection/IR/id/731
dc.subjectOptics
dc.subjectPhysics
dc.titleDecoherence in two-dimensional quantum random walks with traps
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorMüstecaplıoğlu, Özgür Esat
local.publication.orgunit1College of Sciences
local.publication.orgunit2Department of Physics
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