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Singularity-free cosmological solutions of the superstring effective action

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arxiv hep-th/9305025 v1 pith:FVUXJUJW submitted 1993-05-07 hep-th gr-qc

I. Antoniadis , J. Rizos , K. Tamvakis This is my paper · ORCID
classification hep-thgr-qc
keywords actioneffectivesolutionscosmologicalsuperstringavoidbackgroundclass
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We study the cosmological solutions of the one loop corrected superstring effective action, in a Friedmann-Robertson-Walker background, and in the presence of the dilaton and modulus fields. A particularly interesting class of solutions is found which avoid the initial singularity and are consistent with the perturbative treatment of the effective action.

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Cited by 2 Pith papers

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    Stochastic inflation with Gauss-Bonnet coupling to the inflaton yields first-passage-time estimates of the scalar power spectrum and PBH mass fraction in slow-roll and ultra-slow-roll limits.

  2. Gauss-Bonnet-induced symmetry breaking/restoration during inflation

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    A Gauss-Bonnet coupling can flip a scalar field's effective mass sign during inflation, triggering symmetry breaking or restoration mid-inflation while leaving the inflationary background and its CMB predictions essen...

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