On the decoupling of interacting systems |
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Authors: | D.J. Newman |
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Affiliation: | Department of Physics, Queen Mary College, London El 4NS, UK |
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Abstract: | It is shown that the one electron energy matrix of a system composed of similar interacting subsystems does not, in general, provide a unique determination of the energy matrix of the subsystems. A criterion for making this separation is proposed. |
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