Catalysis of Dynamical Flavor Symmetry Breaking by a Magnetic Field in 2 + 1 Dimensions

V. P. Gusynin, V. A. Miransky, and I. A. Shovkovy
Phys. Rev. Lett. 73, 3499 – Published 26 December 1994; Erratum Phys. Rev. Lett. 76, 1005 (1996)
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Abstract

It is shown that in 2 + 1 dimensions, a constant magnetic field is a strong catalyst of dynamical flavor symmetry breaking, leading to generating a fermion dynamical mass even at the weakest attractive interaction between fermions. The effect is illustrated in the Nambu-Jona-Lasinio model in a magnetic field. The low-energy effective action in this model is derived, and the thermodynamic properties of the model are established.

  • Received 11 May 1994

DOI:https://doi.org/10.1103/PhysRevLett.73.3499

©1994 American Physical Society

Erratum

Catalysis of Dynamical Flavor Symmetry Breaking by a Magnetic Field in 2 + 1 Dimensions

V. P. Gusynin, V. A. Miransky, and I. A. Shovkovy
Phys. Rev. Lett. 76, 1005 (1996)

Authors & Affiliations

V. P. Gusynin1, V. A. Miransky1,2, and I. A. Shovkovy1

  • 1Bogolyubov Institute for Theoretical Physics, 252143 Kiev, Ukraine
  • 2Institute for Theoretical Physics, University of California, Santa Barbara, California 93106-4030

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Vol. 73, Iss. 26 — 26 December 1994

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