The ingap state spectral properties in the cuprates' pseudogap phase

Details The ingap state spectral properties in the cuprates' pseudogap phase The ingap state spectral properties in the cuprates' pseudogap phase

2010-03-22

arxiv.org/abs/1003.4104v1

Physics

Condensed Matter

Superconductivity

5 figures

Scientific paper

The single-particle excitations, which initiate the pseudogap in the cuprate superconductors at some temperature T^*, relate to specific local spectral features of resonant pairing, where charge carriers get momentarily trapped on dynamically deformable molecular Cu-O-Cu clusters. We show how those local excitations evolve into dispersive branches with a characteristic "S"-like shape for three-peak structured ingap excitations in the cuprates' pseudogap phase, when we consider a lattice of such clusters. This feature should be detectable in "momentum distribution curve" ARPES analysis.

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