Particle creation in an oscillating spherical cavity

Details Particle creation in an oscillating spherical cavity Particle creation in an oscillating spherical cavity

2001-05-29

arxiv.org/abs/hep-th/0105282v1

Mod.Phys.Lett.A16:1269-1276,2001

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, LaTeX, no figures

Scientific paper

10.1142/S0217732301004315

We study the creation of massless scalar particles from the quantum vacuum due to the dynamical Casimir effect by spherical shell with oscillating radius. In the case of a small amplitude of the oscillation, to solve the infinite set of coupled differential equations for the instantaneous basis expansion coefficients we use the method based on the time-dependent perturbation theory of the quantum mechanics. To the first order of the amplitude we derive the expressions for the number of the created particles for both parametric resonance and non-resonance cases.

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