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On the ground state of solids with strong electron correlations

By P. Fulde, H. Stoll and K. Kladko


We formulate the calculation of the ground-state wavefunction and energy of a system of strongly correlated electrons in terms of scattering matrices. A hierarchy of approximations is introduced which results in an incremental expansion of the energy. The present approach generalizes previous work designed for weakly correlated electronic systems. 1 I

Year: 1998
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