Elsevier

Physics Letters B

Volume 37, Issue 1, 1 November 1971, Pages 47-49
Physics Letters B

Some exact results in the Hartree-Fock theory of a many-fermion system at high densities

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Abstract

For high particle densities we show sufficient conditions on the two-particle interaction such that the Hartree-Fock homogeneous-density (plane-waves) ground state energy is exact and that lower-energy, granular-density solutions may exist when the above conditions are violated.

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