Barbero's Hamiltonian derived from a generalized Hilbert-Palatini action

Details Barbero's Hamiltonian derived from a generalized Hilbert-Palatini action Barbero's Hamiltonian derived from a generalized Hilbert-Palatini action

1995-11-07

arxiv.org/abs/gr-qc/9511026v1

Phys.Rev.D53:5966-5969,1996

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages

Scientific paper

10.1103/PhysRevD.53.5966

Barbero recently suggested a modification of Ashtekar's choice of canonical variables for general relativity. Although leading to a more complicated Hamiltonian constraint this modified version, in which the configuration variable still is a connection, has the advantage of being real. In this article we derive Barbero's Hamiltonian formulation from an action, which can be considered as a generalization of the ordinary Hilbert-Palatini action.

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