The duality symmetric but non manifestly covariant action proposed by Schwarz and Sen is canonically quantized in the Coulomb gauge. The resulting theory turns out to be, nevertheless, relativistically invariant. It is shown, afterwards, that the Schwarz-Sen model naturally emerges when duality is implemented as a local symmetry of sourceless electrodynamics. This implies in the equivalence of these theories at the quantum level.
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© 1999 American Institute of Physics.
1999
American Institute of Physics
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