On the stability of gravity in the presence of a non-minimally coupled scalar field
classification
🌀 gr-qc
astro-phhep-th
keywords
coupledfieldscalargravitynon-minimallyactiondiscusseinstein
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We show that Einstein's gravity coupled to a non-minimally coupled scalar field is stable even for high values of the scalar field, when the sign of the Einstein-Hilbert action is reversed. We also discuss inflationary solutions and a possible new mechanism of reheating.
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