Energy and stability in Einstein-Gauss-Bonnet models

Details Energy and stability in Einstein-Gauss-Bonnet models Energy and stability in Einstein-Gauss-Bonnet models

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cqgra...6l..83d&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 6, May 1, 1989, p. L83-L87. Research supported by NSF.

Mathematics

Logic

12

Astronomical Models, Cosmology, Gravitation Theory, Einstein Equations, Energy, Stability, Supersymmetry, Vacuum

Scientific paper

A unified energy expression for Einstein-Gauss-Bonnet gravity, valid about the model's two distinct vacua, is obtained. It reduces to the usual Einstein form about a flat background, but about an anti-de Sitter vacuum it becomes that appropriate to a ghost Einstein theory with a cosmological term. Linearization instability about the latter and general stability about the former are deduced by energy considerations, in agreement with previous results.

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