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Chiral Symmetry Breaking by a Magnetic Field in Weak-coupling QED

C. N. Leung, Y. J. Ng, A. W. Ackley

hep-tharXiv:hep-th/9512114

Abstract

Using the nonperturbative Schwinger-Dyson equation, we show that chiral symmetry in weak-coupling massless QED is dynamically broken by a constant but arbitrarily strong external magnetic field.

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