First class constraints in Regge calculus

Details First class constraints in Regge calculus First class constraints in Regge calculus

1993-11-08

arxiv.org/abs/gr-qc/9311014v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, Plain LaTeX, Preprint UUITP-25/93

Scientific paper

Considered are I class constraints in the tetrad-connection formulation of Regge calculus. One of these is well-known Gauss law which generates rotations in the local frames associated with tetrahedrons in the continuous time 3D section. Another two types of these are new, satisfied by definition of Regge manifold and having no I class analogs in the continuum general relativity. Constraints of the first type express vanishing of the dual squares of antisymmetric tensors of the triangles in the 3D section thus ensuring each such tensor being a bivector. Constraints of the second type are trigonometric relations between areas of triangles of 3D section caused by that the set of areas is redundant as compared to the set of linklengts.

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