Integral Representation for the Electron-Atom Ionization Amplitude which is Free of Ambiguity and Divergence Problems

Kadyrov, A.S.; Mukhamedzhanov, A.M.; Stelbovics, A.T.; Bray, I.

doi:10.1103/PhysRevLett.91.253202

Integral Representation for the Electron-Atom Ionization Amplitude which is Free of Ambiguity and Divergence Problems

Dec 19, 2003

4 pages

Published in:

Phys.Rev.Lett. 91 (2003) 253202

DOI:

10.1103/PhysRevLett.91.253202

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Abstract: (APS)

It is shown that existing problems with the formal theory of ionization can be effectively resolved. An integral representation for the ionization amplitude free of ambiguity and divergence problems is given. Moreover, the ionization amplitude in the new formulation is shown directly to have an ideal form for practical calculations.

03.65.Nk
34.10.+x
34.80.Dp

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