Phys. Rev. Lett. 73, 3499–3502 (1994)Catalysis of Dynamical Flavor Symmetry Breaking by a Magnetic Field in 2 + 1 DimensionsSee Also: Erratum Received 11 May 1994; published in the issue dated 26 December 1994 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. © 1994 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.73.3499
DOI:
10.1103/PhysRevLett.73.3499
PACS:
11.10.Kk, 11.30.Qc
See AlsoErratum: V. P. Gusynin, V. A. Miransky, and I. A. Shovkovy, Catalysis of Dynamical Flavor Symmetry Breaking by a Magnetic Field in 2 + 1 Dimensions, Phys. Rev. Lett. 76, 1005 (1996). |
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