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dc.contributor.authorPigeon, Simon-
dc.contributor.authorXuereb, Andre-
dc.contributor.authorLesanovsky, Igor V.-
dc.contributor.authorGarrahan, Juan Pedro-
dc.contributor.authorChiara, Gabriele de-
dc.contributor.authorPaternostro, Mauro-
dc.date.accessioned2018-03-07T10:01:49Z-
dc.date.available2018-03-07T10:01:49Z-
dc.date.issued2015-
dc.identifier.citationPigeon, S., Xuereb, A., Lesanovsky, I. V., Garrahan, J. P., De Chiara, G., & Paternostro, M. (2015). Dynamical symmetries and crossovers in a three-spin system with collective dissipation. New Journal of Physics, 17(1), 015010.en_GB
dc.identifier.urihttps://www.um.edu.mt/library/oar//handle/123456789/27772-
dc.description.abstractWe consider the non-equilibrium dynamics of a simple system consisting of interacting spin-1/2 particles subjected to a collective damping. The model is close to situations that can be engineered in hybrid electro/opto-mechanical settings. Making use of large-deviation theory, we find a Gallavotti–Cohen symmetry in the dynamics of the system as well as evidence for the coexistence of two dynamical phases with different activity levels.Weshow that additional damping processes smooth out this behavior. Our analytical results are backed up by Monte Carlo simulations that reveal the nature of the trajectories contributing to the different dynamical phases.en_GB
dc.description.sponsorshipThis work has been supported by the Royal Commission for the Exhibition of 1851, the UKEPSRC (EP/G004579/1, EP/J009776/1, EP/K029371/1 and EP/L005026/1), the John Templeton Foundation (Grant ID 43467), ERC Grant ESCQUMA(Grant Agreement 335266), and the EU Collaborative Project TherMiQ (Grant Agreement 618074). Part of this work was supported by the COST Action MP1209 ‘Thermodynamics in the quantum regime’.en_GB
dc.language.isoenen_GB
dc.publisherIOP Publishingen_GB
dc.rightsinfo:eu-repo/semantics/openAccessen_GB
dc.subjectQuantum systemsen_GB
dc.subjectHarmonic oscillatorsen_GB
dc.subjectMonte Carlo methoden_GB
dc.subjectQuantum trajectoriesen_GB
dc.titleDynamical symmetries and crossovers in a three-spin system with collective dissipationen_GB
dc.typearticleen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.description.reviewedpeer-revieweden_GB
dc.identifier.doi10.1088/1367-2630/17/1/015010/meta-
dc.publication.titleNew Journal of Physicsen_GB
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