Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-06-22
Eur.Phys.J.C54:675-684,2008
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, 1 figure. v3: updated notation and terminology; published version
Scientific paper
10.1140/epjc/s10052-008-0540-7
A new Lagrangian realizing the symmetry of the M Algebra in eleven-dimensional space-time is presented. By means of the novel technique of Abelian Semigroup Expansion, a link between the M Algebra and the orthosymplectic algebra osp(32|1) is established, and an M Algebra-invariant symmetric tensor of rank six is computed. This symmetric invariant tensor is a key ingredient in the construction of the new Lagrangian. The gauge-invariant Lagrangian is displayed in an explicitly Lorentz-invariant way by means of a subspace separation method based on the extended Cartan homotopy formula.
Izaurieta Fernando
Rodríguez Eduardo
Salgado Patricio
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