Continuous-time quantum walks on spatially correlated noisy lattices

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Rossi, Matteo A.C. Benedetti, Claudia Borrelli, Massimo Maniscalco, Sabrina Paris, Matteo G.A. 2018-08-01T13:36:03Z 2018-08-01T13:36:03Z 2017-10-04
dc.identifier.citation Rossi , M A C , Benedetti , C , Borrelli , M , Maniscalco , S & Paris , M G A 2017 , ' Continuous-time quantum walks on spatially correlated noisy lattices ' Physical Review A , vol 96 , no. 4 , 040301 , pp. 1-5 . DOI: 10.1103/PhysRevA.96.040301 en
dc.identifier.issn 2469-9926
dc.identifier.issn 1094-1622
dc.identifier.other PURE UUID: e69f34e7-6ffc-4392-b082-69218b1a890b
dc.identifier.other PURE ITEMURL:
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dc.description.abstract We address memory effects and diffusive properties of a continuous-time quantum walk on a one-dimensional percolation lattice affected by spatially correlated random telegraph noise. In particular, by introducing spatially correlated time-dependent fluctuations in nearest-neighbor hopping amplitudes, we describe random domains characterized by global noise. The resulting open dynamics of the walker is then unraveled by an ensemble average over all the noise realizations. Our results show that time-dependent noise assisted by spatial correlations leads to strong memory effects in the walker dynamics and to robust diffusive behavior against the detrimental action of uncorrelated noise. We also show that spatially correlated classical noise enhances localization breaking, thus making a quantum particle spread on longer distances across the lattice. en
dc.format.extent 1-5
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Physical Review A en
dc.relation.ispartofseries Volume 96, issue 4 en
dc.rights openAccess en
dc.subject.other Atomic and Molecular Physics, and Optics en
dc.subject.other 114 Physical sciences en
dc.title Continuous-time quantum walks on spatially correlated noisy lattices en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department University of Milan
dc.contributor.department University of Turku
dc.contributor.department Department of Applied Physics
dc.subject.keyword Atomic and Molecular Physics, and Optics
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201808014349
dc.identifier.doi 10.1103/PhysRevA.96.040301
dc.type.version publishedVersion

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