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The Neel transition, spin fluctuations, and pseudogap in underdoped cuprates by a Lorentz invariant four fermion model in (2+1)-dimension

Oct, 2001
4 pages
Published in:
  • Phys.Rev.B 66 (2002) 024501
e-Print:
DOI:
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20012002200314
Abstract: (arXiv)
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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