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  Why are only certain fluxes allowed in 11D SUGRA?

+ 3 like - 0 dislike

In Type IIA/IIB string theory we can have various fluxes, such as the 3-form H-flux, and the various Ramond-Ramond fluxes in even/odd dimensions.

In 11D SUGRA, however, the field content seems to only contain the graviton, gravitino, and 4-form flux F. Why can't we have fluxes of other dimensions in 11D SUGRA?

This post imported from StackExchange Physics at 2016-03-09 09:05 (UTC), posted by SE-user Mark B

asked Jan 7, 2016 in Theoretical Physics by Mark B (55 points) [ revision history ]
edited Mar 9, 2016 by Dilaton

1 Answer

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The field content of various SUGRAs is defined by the irreducible representation of super-Poincare algebra. For the reference, I would suggest to look at Appendix B "String theory", Polchinski, Volume 2. Specifically, $d=11$ is discussed in Appendix B.5.

The question "Why super-Poincare?" is answered in Section I of "Supersymmetry and Supergravity", Wess and Zumino.

This post imported from StackExchange Physics at 2016-03-09 09:06 (UTC), posted by SE-user g3n1uss
answered Jan 7, 2016 by g3n1uss (20 points) [ no revision ]

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