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N=8 Supergravity with Local Scaling Symmetry | | Arnaud Le Diffon
; Henning Samtleben
; Mario Trigiante
; | | Date: |
14 Mar 2011 | | Abstract: | We construct maximal supergravity in four dimensions with local scaling
symmetry as deformation of the original Cremmer-Julia theory. The different
theories which include the standard gaugings are parametrized by an embedding
tensor carrying 56+912 parameters. We determine the form of the possible gauge
groups and work out the complete set of field equations. As a result we obtain
the most general couplings compatible with N=8 supersymmetry in four
dimensions. A particular feature of these theories is the absence of an action
and an additional positive contribution to the effective cosmological constant.
Moreover, these gaugings are generically dyonic, i.e. involve simultaneously
electric and magnetic vector fields. | | Source: | arXiv, 1103.2785 | | Services: | Forum | Review | PDF | Favorites | |
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