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19932025
most citedAncient human genomes suggest three ancestral populations for present-day Europeans

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cond-mat.str-el1998★ 61 cited

Unrestricted slave-boson mean-field approximation for the two-dimensional Hubbard model

G. Seibold, E. Sigmund, V. Hizhnyakov

The Kotliar-Ruckenstein slave-boson scheme is used to allow for an unrestricted variation of the bosonic and fermionic fields on the saddle-point level. Various inhomogeneous solut…