Simple Explanation of Fermi Arcs in Cuprate Pseudogaps: a Motional Narrowing Phenomenon

Details Simple Explanation of Fermi Arcs in Cuprate Pseudogaps: a Motional Narrowing Phenomenon Simple Explanation of Fermi Arcs in Cuprate Pseudogaps: a Motional Narrowing Phenomenon

2008-07-03

arxiv.org/abs/0807.0578v1

Physics

Condensed Matter

Superconductivity

Scientific paper

ARPES measurements on underdoped cuprates above the superconducting transition temperature exhibit the unique phenomenon of Fermi arcs, gapless arcs of Fermi surface around the nodal points of the superconducting gap, which terminate before reaching the antinodes. We show that this phenomenon is easily explained (including its temperature dependence and observed hole-electron asymmetry) as the natural consequence of a time-fluctuating d-wave gap.

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