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Dispersion relations and AC stark shifts |
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| Authors: | CK Au |
| Institution: | Department of Physics and Astronomy, University of South Carolina, Columbia, S.C. 29208, USA |
| Abstract: | It is pointed out that AC Stark energy level shifts in a laser field can be calculated from experimental photo-absorption data via a dispersion relation. Explicit calculation is carried out for the ground state of helium. |
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