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- W2068693715 endingPage "2012" @default.
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- W2068693715 abstract "We analyze the single-particle and collective excitations near the metal to charge-transfer insulator transition, using the slave-boson technique. We show that the Mott transition can be interpreted as a softening of an auxiliary Bose excitation. In the insulating phase the energy of the boson at zero momentum is related to the jump in the chemical potential at zero doping. The dispersion of the collective modes gives rise to the structure of the incoherent Hubbard bands. A similar picture holds for the single-band Hubbard model." @default.
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- W2068693715 date "1992-09-28" @default.
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- W2068693715 title "Collective excitations, photoemission spectra, and optical gaps in strongly correlated Fermi systems" @default.
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- W2068693715 doi "https://doi.org/10.1103/physrevlett.69.2009" @default.
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