Fermionic Vacuum Energy from a Nielsen-Olesen Vortex

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dc.creatorBordag, M.
dc.creatorDrozdov, I.
dc.date2003-04-30
dc.date.accessioned2026-07-07T11:10:11Z
dc.date.available2026-07-07T11:10:11Z
dc.descriptionWe calculate the vacuum energy of a spinor field in the background of a Nielsen-Olesen vortex. We use the method of representing the vacuum energy in terms of the Jost function on the imaginary momentum axis. Renormalization is carried out using the heat kernel expansion and zeta functional regularization. With this method well convergent sums and integrals emerge which allow for an efficient numerical calculation of the vacuum energy in the given case where the background is not known analytically but only numerically. The vacuum energy is calculated for several choices of the parameters and it turns out to give small corrections to the classical energy.
dc.description22 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/hep-th/0305002
dc.identifierhttp://arxiv.org/abs/hep-th/0305002
dc.identifierPhys.Rev.D68:065026,2003
dc.identifierdoi:10.1103/PhysRevD.68.065026
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190710
dc.subjectHigh Energy Physics - Theory
dc.titleFermionic Vacuum Energy from a Nielsen-Olesen Vortex
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