Mutated hybrid inflation in f(R,{Box}R)-gravity
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✦ hep-th
gr-qc
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gravityhybridinflationinflationarylettmodelphyspotential
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A new hybrid inflationary scenario in the context of $f(R,{\Box}R)$-gravity is proposed. Demanding the waterfall field to 'support the potential from below' [unlike the original proposal by Stewart in Phys. Lett. B345, 414 (1995)], we demonstrate that the scalar potential is similar to that of the large-field chaotic inflation model proposed by Linde in Phys. Lett. B129, 177 (1983). Inflationary observables are used to constrain the parameter space of our model; in the process, an interesting limit on the number of e-folds N is found.
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Cited by 1 Pith paper
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Traversable Wormholes with Non-Exotic Matter: The Role of Higher Curvature Corrections
Higher-derivative corrections in f(R, □R) gravity can support traversable wormholes with reduced or no exotic matter.
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