Retarded Boson-Fermion interaction in atomic systems |
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Authors: | Sambhu N. Datta |
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Affiliation: | (1) Department of Chemistry, Indian Institute of Technology - Bombay, Powai, Mumbai, 400 076, India |
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Abstract: | The retarded interaction between an electron and a spin-0 nucleus, that has been derived from electro-dynamical perturbation theory is discussed here. A brief account of the derivation is given. The retarded form is correct through order v 2/c 2. Use of the relative coordinates leads to an effective one-electron operator that can be used through all orders of perturbation theory. A few unitary transformations give rise to the interaction that is valid in the non-relativistic limit. |
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Keywords: | Boson Fermion retarded interaction electro-dynamical perturbation theory |
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