Approximate energy eigenvalues from a generalized operator method

Perturbation theory without wavefunctions

J Killingbeck · Physics Letters A · 1978 · 190 citations

Natural Sciences, Mathematics, Physics +5

The operator method of the approximate solution of the Schrödinger equation

L I Komarov · Physics Letters A · 1982 · 100 citations

Natural Sciences, Mathematics, Physics +12

Algebraic treatment of quantum-mechanical models with modified Coulomb potentials

Miroslav Bednář · Annals of Physics · 1973 · 81 citations

Natural Sciences, Mathematics, Physics +14

Comment on the operator method and perturbational solution of the Schrödinger equation

Francisco M. Fernández, Eduardo A. Castro · Physics Letters A · 1982 · 19 citations

Natural Sciences, Mathematics, Physics +14