Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-12-16
Nucl.Phys.B716:215-247,2005
Physics
High Energy Physics
High Energy Physics - Theory
36 pages, LaTeX2e; v2: minor changes, version published in NPB
Scientific paper
10.1016/j.nuclphysb.2005.03.032
The general Lagrangian for maximal supergravity in five spacetime dimensions is presented with vector potentials in the \bar{27} and tensor fields in the 27 representation of E_6. This novel tensor-vector system is subject to an intricate set of gauge transformations, describing 3(27-t) massless helicity degrees of freedom for the vector fields and 3t massive spin degrees of freedom for the tensor fields, where the (even) value of t depends on the gauging. The kinetic term of the tensor fields is accompanied by a unique Chern-Simons coupling which involves both vector and tensor fields. The Lagrangians are completely encoded in terms of the embedding tensor which defines the E_6 subgroup that is gauged by the vectors. The embedding tensor is subject to two constraints which ensure the consistency of the combined vector-tensor gauge transformations and the supersymmetry of the full Lagrangian. This new formulation encompasses all possible gaugings.
Samtleben Henning
Trigiante Mario
Wit Bernard de
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