Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1995-08-18
Mod.Phys.Lett.A10:1821-1828,1995
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
LaTeX file, 11 pages, no figures
Scientific paper
10.1142/S0217732395001952
Renormalization group techniques are used in order to obtain the improved non-local gravitational effective action corresponding to any asymptotically free GUT, up to invariants which are quadratic on the curvature. The corresponding non-local gravitational equations are written down, both for the case of asymptotically free GUTs and also for quantum R$^2$-gravity. The implications of the results when obtaining the flux of vacuum radiation through the future null infinity are briefly discussed.
Elizalde Emilio
Odintsov Sergei D.
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