Epidemic Dynamics in Open Quantum Spin Systems

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dc.contributor.author Pérez Espigares, Carlos
dc.contributor.author Marcuzzi, Matteo
dc.contributor.author Gutiérrez Díez, Ricardo
dc.contributor.author Lesanovsky, Igor
dc.date.accessioned 2021-01-28T14:52:38Z
dc.date.available 2021-01-28T14:52:38Z
dc.date.issued 2017-10-04
dc.identifier.bibliographicCitation Carlos Pérez-Espigares, Matteo Marcuzzi, Ricardo Gutiérrez, and Igor Lesanovsky, " Epidemic Dynamics in Open Quantum Spin Systems". Phys. Rev. Lett, Vol. 119, Iss. 14, 6 October 2017
dc.identifier.issn 0031-9007
dc.identifier.uri http://hdl.handle.net/10016/31811
dc.description.abstract We explore the nonequilibrium evolution and stationary states of an open many-body system that displays epidemic spreading dynamics in a classical and a quantum regime. Our study is motivated by recent experiments conducted in strongly interacting gases of highly excited Rydberg atoms where the facilitated excitation of Rydberg states competes with radiative decay. These systems approximately implement open quantum versions of models for population dynamics or disease spreading where species can be in a healthy, infected or immune state. We show that in a two-dimensional lattice, depending on the dominance of either classical or quantum effects, the system may display a different kind of nonequilibrium phase transition. We moreover discuss the observability of our findings in laser driven Rydberg gases with particular focus on the role of long-range interactions.
dc.description.sponsorship The research leading to these results has received fund- ing from the European Research Council under the Euro- pean Union’s Seventh Framework Programme (FP/2007-2013) / ERC Grant Agreement No. 335266 (ESC-QUMA), the EPSRC Grant No. EP/M014266/1 and the H2020-FETPROACT-2014 Grant No. 640378 (RYSQ). RG acknowledges the funding received from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No. 703683. We are also grateful for access to the University of Nottingham High Performance Computing Facility.
dc.language.iso eng
dc.publisher American Physical Society
dc.rights © 2017 American Physical Society
dc.title Epidemic Dynamics in Open Quantum Spin Systems
dc.type article
dc.subject.eciencia Matemáticas
dc.identifier.doi https://doi.org/10.1103/PhysRevLett.119.140401
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/703683
dc.type.version publishedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue 14
dc.identifier.publicationlastpage 6
dc.identifier.publicationtitle Physical Review Letters
dc.identifier.publicationvolume 119
dc.identifier.uxxi AR/0000025253
dc.contributor.funder European Commission
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