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Coexistence of bulk antiferromagnetic order and superconductivity in the QED3 theory of copper oxides

T. Pereg-Barnea and M. Franz
Phys. Rev. B 67, 060503(R) – Published 28 February 2003
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Abstract

Within the framework of the QED3 theory of cuprate superconductivity it is argued that bulk antiferromagnetic (AF) order can coexist with d-wave superconductivity in the underdoped region, in agreement with recent experiments. The AF order arises from the phase fluctuating d-wave superconductor via the mechanism of spontaneous chiral-symmetry breaking, provided that fluctuations are sufficiently strong. The phase diagram for this coexistence is mapped out by means of analytical and numerical solutions of the underlying Dyson-Schwinger equation in the large N limit.

  • Received 13 September 2002

DOI:https://doi.org/10.1103/PhysRevB.67.060503

©2003 American Physical Society

Authors & Affiliations

T. Pereg-Barnea and M. Franz

  • Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1

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Vol. 67, Iss. 6 — 1 February 2003

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