Dynamical Casimir Effect and Quantum Cosmology

Details Dynamical Casimir Effect and Quantum Cosmology Dynamical Casimir Effect and Quantum Cosmology

2000-03-17

arxiv.org/abs/hep-th/0003158v2

Phys.Rev.D62:064005,2000

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, REVTeX 4, 6 eps figures

Scientific paper

10.1103/PhysRevD.62.064005

We apply the background field method and the effective action formalism to describe the four-dimensional dynamical Casimir effect. Our picture corresponds to the consideration of quantum cosmology for an expanding FRW universe (the boundary conditions act as a moving mirror) filled by a quantum massless GUT which is conformally invariant. We consider cases in which the static Casimir energy is repulsive and attractive. Inserting the simplest possible inertial term, we find, in the adiabatic (and semiclassical) approximation, the dynamical evolution of the scale factor and the dynamical Casimir stress analytically and numerically (for SU(2) super Yang-Mills theory). Alternative kinetic energy terms are explored in the Appendix.

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