Néel transition, spin fluctuations, and pseudogap in underdoped cuprates by a Lorentz invariant four-fermion model in 2+1 dimensions

Details Néel transition, spin fluctuations, and pseudogap in underdoped cuprates by a Lorentz invariant four-fermion model in 2+1 dimensions Néel transition, spin fluctuations, and pseudogap in underdoped cuprates by a Lorentz invariant four-fermion model in 2+1 dimensions

2001-10-09

arxiv.org/abs/cond-mat/0110168v2

Phys.Rev. B66 (2002) 024501

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 2 figures (revtex4). Final revised and corrected version

Scientific paper

10.1103/PhysRevB.66.024501

We show that the N\'eel transition and spin fluctuations near the N\'eel
transition in planar cuprates can be described by an SU(2) invariant
relativistic four-fermion model in 2+1 dimensions. Features of the pseudogap
phenomenon are naturally described by the appearance of an anomalous dimension
for the spinon propagator.

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