Bulg. J. Phys. vol.33 no.3 (2006), pp. 230-244

Spontaneously Broken Supergravity: Old and New Facts

R. D'Auria1,2, S. Ferrara3,4,5, M. Trigiante1,2
1Dipartimento di Fisica, Politecnico di Torino, C.so Duca degli Abruzzi, 24, I-10129 Torino, Italy
2Istituto Nazionale di Fisica Nucleare, Sezione di Torino, Italy
3CERN, Physics Department, CH 1211 Geneva 23, Switzerland
4INFN, Laboratori Nazionali di Frascati, Italy
5Department of Physics and Astronomy, University of California, Los Angeles, CA, USA
Abstract. We report on some recent investigations of the structure of the four dimensional gauged supergravity Lagrangian which emerges from flux and Scherk-Schwarz compactifications in higher dimensions. Special attention is given to the gauge structure of M-theory compactified on a seven torus with 4-form and geometrical (spin connection) fluxes turned on. A class of vacua, with flat space-time and described by `no-scale' supergravity models, is analyzed.

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