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1/Nexpansion for a more general screened Coulomb potential

1987-8-1
Sever, R.
Tezcan, C.
By applying the large-N expansion to the more general case of a screened Coulomb potential, V(r)=-(a/r)[1+(1+br)e−2br], the energy eigenvalues of the ground state and the first excited state and the corresponding wave functions are obtained analytically up to 14 terms