Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-08-01
Phys.Rev.D78:124008,2008
Physics
High Energy Physics
High Energy Physics - Theory
23+1 pages, no figures, corrected typos, references and Appendix B is added
Scientific paper
10.1103/PhysRevD.78.124008
A twisted covariant formulation of noncommutative self-dual gravity is presented. The formulation for constructing twisted noncommutative Yang-Mills theories is used. It is shown that the noncommutative torsion is solved at any order of the $\theta$-expansion in terms of the tetrad and some extra fields of the theory. In the process the first order expansion in $\theta$ for the Pleba\'nski action is explicitly obtained.
Estrada-Jimenez Sendic
García-Compeán Héctor
Obregon Octavio
Ramirez Christian
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