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Supersymmetric quantum electrodynamics

Carlos D. Ferreira, M. Gonzalo R. S. S. Correa, Mauricio C. S. S. Menezes, H. F. da Rocha, R. M. S. da Rocha, J. A. G. M. Moraes, M. J. M. S. de Oliveira

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We study the quantum electrodynamics of two-dimensional quantum electrodynamics in the presence of an external magnetic field with a specific energy and a particular magnetic potential. We determine the critical point of the system and show that the results obtained here are relevant for the study of the formation of a quantum phase transition in the presence of a magnetic field.