Nonequilibrium dressing in a cavity with a movable reflecting mirror
arXiv:1707.01163 · doi:10.1103/PhysRevD.96.045007
Abstract
We consider a movable mirror coupled to a one-dimensional massless scalar field in a cavity. Both the field and the mirror's mechanical degrees of freedom are described quantum-mechanically, and they can interact each other via the radiation pressure operator. We investigate the dynamical evolution of mirror and field starting from a nonequilibrium initial state, and their local interaction which brings the system to a stationary configuration for long times. This allows us to study the time-dependent dressing process of the movable mirror interacting with the field, and its dynamics leading to a local equilibrium dressed configuration. Also, in order to explore the effect of the radiation pressure on both sides of the movable mirror, we generalize the effective field-mirror Hamiltonian and previous results to the case of two cavities sharing the same mobile boundary. This leads us to address, in the appropriate limit, the dynamical dressing problem of a single mobile wall, bounded by a harmonic potential, in the vacuum space.
arXiv comment10 pages, 4 figures
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- Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs
- Interplay between optomechanics and the dynamical Casimir effect
- Influence functional for two mirrors interacting via radiation pressure
- Mode truncations and scattering in strong fields
- Spatial correlations of field observables in two half-spaces separated by a movable perfect mirror
- Noise and dissipation on a moving mirror induced by the dynamical Casimir emission
- Field observables near a fluctuating boundary
- Corrections to the Optomechanical Hamiltonian from Quadratic Fluctuations of a Moving Mirror
- Time-dependent resonance interaction energy between two entangled atoms under non-equilibrium conditions
- Dynamical atom-wall Casimir-Polder effect after a sudden change of the atomic position