The generalized Abel-Plana formula. Applications to Bessel functions and Casimir effect

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dc.creatorSaharian, A. A.
dc.date2000-02-28
dc.date.accessioned2026-07-07T04:09:33Z
dc.date.available2026-07-07T04:09:33Z
dc.descriptionOne of the most efficient methods to obtain the vacuum expectation values for the physical observables in the Casimir effect is based on the using the Abel-Plana summation formula. This allows to derive the regularized quantities by manifestly cutoff independent way and to present them in the form of strongly converging integrals. However the applications of Abel- Plana formula in usual form is restricted by simple geometries when the eigenmodes have a simple dependence on quantum numbers. The author generalized the Abel-Plana formula which essentially enlarges its application range. Based on this generalization, formulae have been obtained for various types of series over the zeros of some combinations of Bessel functions and for integrals involving these functions. It have been shown that these results generalize the special cases existing in literature. Further the derived summation formulae have been used to summarize series arising in the mode summation approach to the Casimir effect for spherically and cylindrically symmetric boundaries. This allows to extract the divergent parts from the vacuum expectation values for the local physical observables in the manifestly cutoff independent way. The present paper reviews these results. Some new considerations are added as well.
dc.description50 pages, no figures
dc.identifierhttps://arxiv.org/abs/hep-th/0002239
dc.identifierhttp://arxiv.org/abs/hep-th/0002239
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/49890
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.subjectComplex Variables
dc.titleThe generalized Abel-Plana formula. Applications to Bessel functions and Casimir effect
dc.typetext

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