The instability of De Sitter space in scalar-tensor theories

Details The instability of De Sitter space in scalar-tensor theories The instability of De Sitter space in scalar-tensor theories

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phlb..232..452s&link_type=abstract

Physics Letters B, Volume 232, Issue 4, p. 452-456.

Physics

3

Scientific paper

The critical points of the cosmological Bergmann-Wagoner field equations are determined. Three critical points are found, one of which is an analogue of the De Sitter solution in general relativity. A study of the stability of this ``De Sitter'' solution shows that the solution is, in general, unstable to perturbations of the dynamic quantities in scalar-tensor theories. Consequences for coupled scalar-tensor theories of gravity and inflation are discussed.

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