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- University of OxfordGB52 papers
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7 papers · 2 filters
Heat transport in harmonic oscillator systems with correlated baths: Application to optomechanical arrays
André Xuereb, Alberto Imparato, Aurélien Dantan
We investigate the transport of phonons between harmonic oscillators in contact with independent thermal baths and coupled to a common oscillator, and derive an expression for…
Out-of-equilibrium Thermodynamics of Quantum Optomechanical Systems
M. Brunelli, A. Xuereb, A. Ferraro +3
We address the out-of-equilibrium thermodynamics of an isolated quantum system consisting of a cavity optomechanical device. We explore the dynamical response of the system when dr…
Thermodynamics of trajectories of a quantum harmonic oscillator coupled to baths
Simon Pigeon, Lorenzo Fusco, André Xuereb +2
We undertake a thorough analysis of the thermodynamics of the trajectories followed by a quantum harmonic oscillator coupled to dissipative baths by using a new approach to lar…
Dynamical symmetries and crossovers in a three-spin system with collective dissipation
Simon Pigeon, André Xuereb, Igor Lesanovsky +3
We consider the non-equilibrium dynamics of a simple system consisting of interacting spin- particles subjected to a collective damping. The model is close to situations that…
Macroscopicity in an optomechanical matter-wave interferometer
André Xuereb, Hendrik Ulbricht, Mauro Paternostro
We analyse a proposal that we have recently put forward for an interface between matter-wave and optomechanical technologies from the perspective of macroscopic quantumness. In par…
Assessing the non-equilibrium thermodynamics in a quenched quantum many-body system via single projective measurements
L. Fusco, S. Pigeon, T. J. G. Apollaro +6
We analyse the nature of the statistics of the work done on or by a quantum many-body system brought out of equilibrium. We show that, for the sudden quench and for an initial stat…