A natural orbital method for the electron momentum distribution in matter

Details A natural orbital method for the electron momentum distribution in matter A natural orbital method for the electron momentum distribution in matter

1998-04-15

arxiv.org/abs/cond-mat/9804145v3

J. Phys. Chem. Solids, 61 (2000) 341

Physics

Condensed Matter

Strongly Correlated Electrons

3 pages, Latex, revised paper with new references

Scientific paper

10.1016/S0022-3697(99)00313-3

A variational method for many electron system is applied to momentum
distribution calculations. The method uses a generating two-electron geminal
and the amplitudes of the occupancies of one particle natural orbitals as
variational parameters. It introduces correlation effects beyond the free
fermion nodal structure.

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