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- W2893968600 abstract "Using the two band model introduced by Mota and Coutinho-Filho, the metal-nonmetal transition is investigated by taking an approximate model Hamiltonian which takes into accout the hybridization of the bands, not included in the original model. A Green's function technique is used to obtain the hybrid bands inthe Hartree-Fock approximation. Investigating the phenomenon of metal-nonmetal transition, in general, increasing the intra-atomic interaction the tendency of the systems toward nonmetalic behavior increases. But, differently of previous results, for strong hybridization and small intra-atomic interaction, where the Hartree-fock approximation is valid, the opposite is observed. this may help to understand the difficult os observing pressure-induced nonmetal-metal transitions in magnetic systems." @default.
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- W2893968600 date "1993-12-13" @default.
- W2893968600 modified "2023-10-01" @default.
- W2893968600 title "The two-band model and the metal-nonmetal transition in magnetlc systems" @default.
- W2893968600 doi "https://doi.org/10.5902/2179460x26354" @default.
- W2893968600 hasPublicationYear "1993" @default.
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