Physical review. A, General physics · 1982 · 64 citations · 9 references
Natural SciencesPhysicsQuantum MechanicsAb Initio MethodsElectric PotentialElectron CorrelationAngular Momentum EigenstatesCoulomb Effects In Few-body SystemsCoulomb InteractionEigenvaluesEnergy EigenstatesEnergy EigenvaluesScreened Coulomb Potential
The energy eigenvalues of the exponential cosine screened Coulomb potential for various eigenstates are accurately determined within the framework of the hypervirial Padé scheme.Received 16 February 1982DOI:https://doi.org/10.1103/PhysRevA.26.2245©1982 American Physical Society
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Perturbation theory without wavefunctions
J Killingbeck · Physics Letters A · 1978 · 190 citations
New Approach to Perturbation Theory
Yakir Aharonov, C. K. Au · Physical Review Letters · 1979 · 113 citations