Research Papers in Physics and Astronomy

 

Date of this Version

August 1973

Comments

Published by American Physical Society. Phys. Rev. A 8, 1141 (1973). http://pra.aps.org. Copyright © 1973 American Physical Society. Permission to use.

Abstract

A previous paper by Starace showed that the length formula for the electric-dipole matrix element is the only consistent one for calculations that solve for the exact eigenfunctions of an approximate Hamiltonian containing a nonlocal potential. It is emphasized here that disagreement between such a length-formula calculation and experiment indicates inadequacy of the approximate Hamiltonian and not that the velocity formula may be preferable.

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