Fermi surface dichotomy on systems with fluctuating order

Details Fermi surface dichotomy on systems with fluctuating order Fermi surface dichotomy on systems with fluctuating order

2008-09-12

arxiv.org/abs/0809.2197v2

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 10 figures

Scientific paper

We investigate the effect of a dynamical collective mode coupled with quasiparticles at specific wavevectors only. This coupling describes the incipient tendency to order and produces shadow spectral features at high energies, while leaving essentially untouched the low energy quasiparticles. This allows to interpret seemingly contradictory experiments on underdoped cuprates, where many converging evidences indicate the presence of charge (stripe or checkerboard) order, which remains instead elusive in the Fermi surface obtained from angle-resolved photoemission experiments.

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