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Numerical Study of Pseudo-gap Anisotropy for a Tight Binding Band (1611.09305v1)
Published 28 Nov 2016 in cond-mat.supr-con
Abstract: The Fermi surface anisotropy of a pseudo-gap in the spectral weight, caused by superconducting fluctuations or anti-ferromagnetic fluctuations, is calculated for a tight binding band. The importance of the Fermi surface saddle point, or hot spot, is illustrated. A peak-dip-hump structure due to a finite frequency mode, is briefly explored. The connection to high temperature superconducting copper-oxides is discussed.
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