Manifest electromagnetic duality in closed superstring field theory
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Data
1996-11-28
Autores
Berkovits, N.
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Elsevier B.V.
Resumo
The free action for massless Ramond-Ramond fields is derived from closed superstring field theory using the techniques of Siegel and Zwiebach. For the uncompactified Type IIB superstring, this gives a manifestly Lorentz-covariant action for a self-dual five-form field strength. Upon compactification to four dimensions, the action depends on a U(1) field strength from 4D N = 2 supergravity. However, unlike the standard Maxwell action, this action is manifestly invariant under the electromagnetic duality transformation which rotates F-mn into epsilon(mnpq)F(pq).
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Physics Letters B. Amsterdam: Elsevier B.V., v. 388, n. 4, p. 743-752, 1996.