Particle creation by moving spherical shell in the dynamical Casimir effect

Abstract

The creation of massless scalar particles from the quantum vacuum by spherical shell with time varying radius is studied. In the general case of motion the equations are derived for the instantaneous basis expansion coefficients. The examples are considered when the mean number of particles can be explicitly evaluated in the adiabatic approximation.

9 pages, LaTeX, no figures, typos corrected, discussion added. Journal-ref added

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