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dc.contributor.authorAguilera-Navarro, V. C. [UNESP]
dc.contributor.authorCoelho, A. L. [UNESP]
dc.contributor.authorUllah, Nazakat
dc.identifier.citationPhysical Review A, v. 49, n. 2, p. 1477-1479, 1994.
dc.description.abstractIt is shown that for singular potentials of the form λ/rα, the asymptotic form of the wave function both at r→ and r→0 plays an important role. Using a wave function having the correct asymptotic behavior for the potential λ/r4, it is shown that it gives the exact ground-state energy for this potential when λ→0, as given earlier by Harrell [Ann. Phys. (NY) 105, 379 (1977)]. For other values of the coupling parameter λ, a trial basis set of wave functions which also satisfy the correct boundary conditions at r→ ande r→0 are used to find the ground-state energy of the singular potential λ/r4. It is shown that the obtained eigenvalues are in excellent agreement with their exact ones for a very large range of λ values. © 1994 The American Physical Society.en
dc.relation.ispartofPhysical Review A
dc.titleGround-state energy of singular potentialsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionTata Institute of Fundamental Research
dc.description.affiliationInstituto de Física Teórica-UNESP, 01405-000 Sao Paulo, Sao Paulo
dc.description.affiliationTata Institute of Fundamental Research, Colaba, Bombay 400 005
dc.description.affiliationUnespInstituto de Física Teórica-UNESP, 01405-000 Sao Paulo, Sao Paulo
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