0202017v1

related topics
{force, casimir, field}
{temperature, thermal, energy}
{level, atom, field}
{let, theorem, proof}

Casimir energy of a dilute dispersive dielectric ball: realistic microscopic model

Valery N. Marachevsky

abstract: The Casimir energy of a dilute homogeneous nonmagnetic dielectric ball at zero temperature is derived analytically within a microscopic realistic model of dielectrics for an arbitrary physically possible frequency dispersion of dielectric permittivity. Divergences are absent in calculations, a minimum interatomic distance is a physical cut-off. Casimir surface force is proved to be attractive. A physical definition of the Casimir energy is discussed.

oai_identifier:
oai:arXiv.org:quant-ph/0202017
categories:
quant-ph hep-th
comments:
Latex 2e, 4 pages, 1 figure, to appear in Int. J. Mod. Phys. A [a talk given at the Fifth Leipzig Workshop on Quantum Field Theory under the Influence of External Conditions, September 10-14, 2001]
doi:
10.1142/S0217751X0201011X
arxiv_id:
quant-ph/0202017
journal_ref:
Int.J.Mod.Phys. A17 (2002) 786-789
created:
2002-02-04

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