Logarithmic perturbation theory for radial Klein-Gordon equation with screened Coulomb potentials via $\hbar$ expansions

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dc.creatorDobrovolska, I. V.
dc.creatorTutik, R. S.
dc.date2002-12-14
dc.date.accessioned2026-07-07T06:31:35Z
dc.date.available2026-07-07T06:31:35Z
dc.descriptionThe explicit semiclassical treatment of logarithmic perturbation theory for the bound-state problem within the framework of the radial Klein-Gordon equation with attractive real-analytic screened Coulomb potentials, contained time-component of a Lorentz four-vector and a Lorentz-scalar term, is developed. Based upon $\hbar$-expansions and suitable quantization conditions a new procedure for deriving perturbation expansions is offered. Avoiding disadvantages of the standard approach, new handy recursion formulae with the same simple form both for ground and excited states have been obtained. As an example, the perturbation expansions for the energy eigenvalues for the Hulthén potential containing the vector part as well as the scalar component are considered.
dc.description14 pages, to be submitted to Journal of Physics A
dc.identifierhttps://arxiv.org/abs/quant-ph/0212087
dc.identifierhttp://arxiv.org/abs/quant-ph/0212087
dc.identifierInternational Journal of Modern Physics A, Vol. 19, No. 22 (2004) 3669-3683
dc.identifierdoi:10.1142/S0217751X0401955X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98649
dc.subjectQuantum Physics
dc.titleLogarithmic perturbation theory for radial Klein-Gordon equation with screened Coulomb potentials via $\hbar$ expansions
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