On the relation between Peierls' perturbation theory for projected states and exchange perturbation theory |
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| Authors: | A. Mann |
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| Affiliation: | Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel |
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| Abstract: | The derivations of a rather general class of exchange perturbation theories (or symmetry-adapted perturbation theories) and Peierls' perturbation theory for projected states are discussed. While the approaches are different, the equivalence of the resulting formalisms is established. |
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