Nonequilibrium dressing in a cavity with a movable reflecting mirror
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.
Keywords
Cite
@article{arxiv.1707.01163,
title = {Nonequilibrium dressing in a cavity with a movable reflecting mirror},
author = {Federico Armata and M. S. Kim and Salvatore Butera and Lucia Rizzuto and Roberto Passante},
journal= {arXiv preprint arXiv:1707.01163},
year = {2017}
}
Comments
10 pages, 4 figures