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A simple model of atomic collision in the presence of an intense radiation field: A comparison test for gauge invariant vs. conventional quantum transition probabilities |
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| Authors: | N. Durante G. P. Arrighini C. Guidotti |
| Affiliation: | 1. Istituto di Chimica Quantistica ed Energetica Molecolare del C.N.R., Via Risorgimento 35, I-56100, Pisa, Italy 2. Dipartimento di Chimica e Chimica Industriale dell'Università, Via Risorgimento 35, I-56100, Pisa, Italy |
| Abstract: | A simple model mimicking the collision between two atomic partners in the presence of an intense radiation field is investigated according to a two-state, non perturbative approach, to put in quantitative evidence inadequacies in both transition probability and cross section arising from the use of transition amplitudes which are not gauge-invariant. |
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