The Einstein-Hilbert Lagrangian of General Relativity in presence of a non-null Killing symmetry can be suitably reduced, via a Legendre transformation, to a gauge theory with gauge group SO(3) or SO(2,1).
General relativity as a gauge theory of orthogonal groups in three dimensions
RAITERI, Marco;FERRARIS, Marco;FRANCAVIGLIA, Mauro
1996-01-01
Abstract
The Einstein-Hilbert Lagrangian of General Relativity in presence of a non-null Killing symmetry can be suitably reduced, via a Legendre transformation, to a gauge theory with gauge group SO(3) or SO(2,1).
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