Pseudogaps in the 2D Hubbard model

C. Huscroft; M. Jarrell; Th Maier; S. Moukouri; A. N. Tahvildarzadeh

doi:10.1103/PhysRevLett.86.139

Pseudogaps in the 2D Hubbard model

C. Huscroft, M. Jarrell, Th Maier, S. Moukouri, A. N. Tahvildarzadeh

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Abstract

The recently developed dynamic cluster approximation (DCA) was used to study the long-open questions of whether the half-filled Hubbard model has a pseudogap due to AF spin fluctuations. A pseudogap was found in the charge dynamics. It was also observed that the T = 0 phase transition of the half-filled model is preceded by an opening of a pseudogap in A(k_F, w) accompanied by pronounced non-Fermi-liquid behavior in Σ(k_F, w).

Original language	English
Pages (from-to)	139-142
Number of pages	4
Journal	Physical Review Letters
Volume	86
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.86.139
State	Published - Jan 1 2001
Externally published	Yes

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10.1103/PhysRevLett.86.139

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Pseudogaps in the 2D Hubbard model

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