Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-04-07
Class.Quant.Grav. 20 (2003) 4739
Physics
High Energy Physics
High Energy Physics - Theory
17 pages. Expanded version. To appear in Class. Quantum Grav
Scientific paper
10.1088/0264-9381/20/22/002
A new formulation of simple D=4 supergravity in terms of the geometry of superspace is presented. The formulation is derived from the gauge theory of the inhomogeneous orthosymplectic group IOSp(3,1|4) on a (4,4)-dimensional base supermanifold by imposing constraints and taking a limit. Both the constraints and the limiting procedure have a clear {\it a priori} physical motivation, arising from the relationship between IOSp(3,1|4) and the super Poincar\'{e} group. The construction has similarities with the space-time formulation of Newtonian gravity.
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