Consistent analytical approach for the quasiclassical radial dipole matrix elements
B. Kaulakys
Abstract
A consistent analytical approach for calculation of the quasiclassical radial dipole matrix elements in the momentum and coordinate representations is presented. Very simple but relatively precise expressions for the matrix elements are derived in both representations. All analytical expressions contain only one special function -- the Anger function and its derivative. They generalise and increase the accuracy of some known quasiclassical expressions. The small difference between the two forms of the expressions for the dipole matrix elements indicates to the applicability of the simple expressions given by the consistent quasiclassical approach even for low atomic states.
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