Manifestly Lorentz-covariant variables for the phase space of general relativity
arXiv:1712.00040 · doi:10.1103/PhysRevD.97.024014
Abstract
We present a manifestly Lorentz-covariant description of the phase space of general relativity with the Immirzi parameter. This formulation emerges after solving the second-class constraints arising in the canonical analysis of the Holst action. We show that the new canonical variables give rise to other Lorentz-covariant parametrizations of the phase space via canonical transformations. The resulting form of the first-class constraints in terms of new variables is given. In the time gauge, these variables and the constraints become those found by Barbero.
arXiv commentIt matches published version
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- Canonical analysis of gravity in dimensions