Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1994-04-29
J.Math.Phys.35:3525-3542,1994
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
28 pages, REVTeX, Alberta Thy 14-94
Scientific paper
10.1063/1.530427
A complete basis of nonlocal invariants in quantum gravity theory is built to third order in spacetime curvature and matter-field strengths. The nonlocal identities are obtained which reduce this basis for manifolds with dimensionality $2\omega<6$. The present results are used in heat-kernel theory, theory of gauge fields and serve as a basis for the model-independent approach to quantum gravity and, in particular, for the study of nonlocal vacuum effects in the gravitational collapse problem.
Barvinsky Andrei O.
Gusev Yu V.
Vilkovisky G. A.
Zhytnikov Vadim V.
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