Another positivity proof and gravitational energy localizations

Details Another positivity proof and gravitational energy localizations Another positivity proof and gravitational energy localizations

1994-01-07

arxiv.org/abs/gr-qc/9401002v1

Phys.Rev.D49:3958-3962,1994

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages REVTeX

Scientific paper

10.1103/PhysRevD.49.3958

Two locally positive expressions for the gravitational Hamiltonian, one using 4-spinors the other special orthonormal frames, are reviewed. A new quadratic 3-spinor-curvature identity is used to obtain another positive expression for the Hamiltonian and thereby a localization of gravitational energy and positive energy proof. These new results provide a link between the other two methods. Localization and prospects for quasi-localization are discussed.

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