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Strong coupling QED breaks chiral symmetry

Journal Article · · Modern Physics Letters A; (Singapore)
 [1]
  1. British Columbia Univ., Vancouver, BC (Canada). Dept. of Physics
The authors show that the strong coupling limit of d-dimensional quantum electrodynamics with 2[sup d]/2[sup [d/2]] flavors of fermions can be mapped onto the s = 1/2 quantum Heisenberg antiferromagnet in d [minus] 1 space dimensions. In this paper, the authors use this mapping to prove that the strong coupling limit of QED breaks chiral symmetry. The staggered Neel order parameter of the antiferromagnet is the expectation value of a mass operator in QED and the spin-waves are pions. The authors speculate that the chiral symmetry breaking phase transition corresponds to a transition between the flux phase and the conventional Neel ordered phase of an antiferromagnetic t-J model.
OSTI ID:
6912504
Journal Information:
Modern Physics Letters A; (Singapore), Journal Name: Modern Physics Letters A; (Singapore) Vol. 7:30; ISSN 0217-7323; ISSN MPLAEQ
Country of Publication:
United States
Language:
English