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Multiphoton ionization of an atom; the choice of gauge

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

We argue that the velocity gauge is the natural one in which to formulate the theory of multiphoton ionization of atoms by intense fields. If the length gauge is used, careful attention must be paid to the time evolution of the eigenvector which characterizes the state in which the photoelectron emerges when the atom is ionized.

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Authors and Affiliations

  1. Physics Department, University of Southern California, 90089-0484, Los Angeles, CA, USA

    R. Shakeshaft

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  1. R. Shakeshaft
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Shakeshaft, R. Multiphoton ionization of an atom; the choice of gauge. Z Phys D - Atoms, Molecules and Clusters 8, 47–50 (1988). https://doi.org/10.1007/BF01384522

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  • DOI: https://doi.org/10.1007/BF01384522

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