On the existence of singularity-free solutions in quartic gravity
classification
🌀 gr-qc
hep-th
keywords
solutionsfieldassumptionsbackgroundclassicalcoupledexistenceflat
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We study a general field theory of a scalar field coupled to gravitation through a quadratic Gauss-Bonnet term $\xi({\phi})$$R_{GB}^2$. We show that, under mild assumptions about the function $\xi(\phi)$, the classical solutions in a spatially flat FRW background include singularity - free solutions.
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