3 years ago

Manifestly Lorentz-covariant variables for the phase space of general relativity.

Mariano Celada, Jorge Romero, Merced Montesinos

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.

Publisher URL: http://arxiv.org/abs/1712.00040

DOI: arXiv:1712.00040v2

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