Dynamical Casimir effect with Dirichlet and Neumann boundary conditions
High Energy Physics - Theory
2008-11-26 v1 Quantum Physics
Abstract
We derive the radiation pressure force on a non-relativistic moving plate in 1+1 dimensions. We assume that a massless scalar field satisfies either Dirichlet or Neumann boundary conditions (BC) at the instantaneous position of the plate. We show that when the state of the field is invariant under time translations, the results derived for Dirichlet and Neumann BC are equal. We discuss the force for a thermal field state as an example for this case. On the other hand, a coherent state introduces a phase reference, and the two types of BC lead to different results.
Cite
@article{arxiv.hep-th/0308157,
title = {Dynamical Casimir effect with Dirichlet and Neumann boundary conditions},
author = {D. T. Alves and C. Farina and P. A. Maia Neto},
journal= {arXiv preprint arXiv:hep-th/0308157},
year = {2008}
}
Comments
12 pages