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Slow-roll parameters in braneworld cosmologies
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We present a general slow-roll formalism within braneworld-motivated cosmologies with non-standard effective Friedmann equations. Full towers of parameters involving either the inflaton potential or the Hubble parameter are constructed and the dynamics of non-tachyonic and tachyonic fields are considered in detail; exact cosmological solutions and the inflationary attractor condition are provided. We compare scalar-driven and tachyon-driven accelerating eras through slow-roll correspondence and the observational imprint on early-universe structures.
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Cited by 2 Pith papers
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Thick branes and fermion localization in five-dimensional $f(T,T_G)$ gravity
In 5D f(T, T_G) gravity, thick branes develop splitting and internal structure controlled by the coupling, while supporting a normalizable chiral fermion zero mode and modified resonant Kaluza-Klein states due to the ...
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Probing the era of reheating for reconstructed inflationary potential in the RS II braneworld
The paper derives constraints on the reheating temperature and the five-dimensional Planck mass in RS II braneworld inflation using a reconstructed attractor-like inflaton potential.
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