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Manifest Electromagnetic Duality in Closed Superstring Field Theory

Nathan Berkovits
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Abstract

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 $ε_{mnpq} F^{pq}$.

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Nathan Berkovits. 1996-07-25. Manifest Electromagnetic Duality in Closed Superstring Field Theory. https://doi.org/10.1016/s0370-2693(96)01217-8

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