Off-Shell Duality in Maxwell and Born-Infeld Theories
arXiv:hep-th/0201266
Abstract
It is well known that the classical equations of motion of Maxwell and Born-Infeld theories are invariant under a duality symmetry acting on the field strengths. We review the implementation of the SL(2,Z) duality in these theories as linear but non-local transformations of the potentials.
5 pages, revtex, talk presented at XXII Encontro Nacional de Fisica de Particulas e Campos, Sao Lourenco, Brazil, October 22 to 26, 2001