Lagrangian and Hamiltonian for the Bondi-Sachs metrics
arXiv:gr-qc/0403120 · doi:10.1088/0264-9381/21/13/012
Abstract
We calculate the Hilbert action for the Bondi-Sachs metrics. It yields the Einstein vacuum equations in a closed form. Following the Dirac approach to constrained systems we investigate the related Hamiltonian formulation.
8 pages