Casimir Energy and Thermodynamic Properties of the Relativistic Piecewise Uniform String

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dc.creatorBrevik, I.
dc.creatorBytsenko, A. A.
dc.date2000-02-08
dc.date.accessioned2026-07-07T04:09:27Z
dc.date.available2026-07-07T04:09:27Z
dc.descriptionThe Casimir energy for the transverse oscillations of a piecewise uniform closed string is calculated. The great adaptibility of this string model with respect to various regularization methods is pointed out. We survey several regularization methods: the cutoff method, the complex contour integration method, and the zeta-function method. The most powerful method in the present case is the contour integration method. The Casimir energy turns out to be negative, and more so the larger is the number of pieces in the string. The thermodynamic free energy F is calculated for a two-piece string in the limit when the tension ratio x=T_{I}/T_{II} approaches zero.
dc.description24 pages, AMSTeX, no figures. To appear in the Proceedings of the Londrina Winter School. World Scientific, 2000
dc.identifierhttps://arxiv.org/abs/hep-th/0002064
dc.identifierhttp://arxiv.org/abs/hep-th/0002064
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/49852
dc.subjectHigh Energy Physics - Theory
dc.titleCasimir Energy and Thermodynamic Properties of the Relativistic Piecewise Uniform String
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