3 papers
math-ph2007
The logarithmic perturbation theory for bound states in spherical-symmetric potentials via the -expansions
I. V. Dobrovolska, R. S. Tutik
The explicit semiclassical treatment of the logarithmic perturbation theory for the bound-state problem for the spherical anharmonic oscillator and the screened Coulomb potential i…
quant-ph2004
A new approach to the logarithmic perturbation theory for the spherical anharmonic oscillator
I. V. Dobrovolska, R. S. Tutik
The explicit semiclassical treatment of the logarithmic perturbation theory for the bound-state problem for the spherical anharmonic oscillator is developed. Based upon the …
quant-ph2002
Logarithmic perturbation theory for radial Klein-Gordon equation with screened Coulomb potentials via expansions
I. V. Dobrovolska, R. S. Tutik
The explicit semiclassical treatment of logarithmic perturbation theory for the bound-state problem within the framework of the radial Klein-Gordon equation with attractive real-an…