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- W4313305629 abstract "We study the effects of reheating phase on the evolution of complexities for the primordial curvature perturbation using the squeezed formalism. We examine the evolution of the out-of-time correlator (OTOC) and the quantum discord starting from the inflationary epoch till the radiation-dominated epoch with different types of reheating scenarios. We find that, for a mode that re-enters the horizon after reheating, a finite reheating epoch clearly distinguishes the characteristic OTOC and quantum discord freeze-in amplitude into three different classes that only depend on whether the equation of state parameter: $(i)$ $w_mathrm{re}=1/3$ $(ii)$ $w_mathrm{re}<1/3$, or, (iii) $w_mathrm{re}>1/3$ and not on separate reheating histories within the classes. Taking the central value of the scalar spectral index ($n_s=0.9649$) from Planck and the equation of state during reheating $w_mathrm{re}=0.25$ as benchmark values, we found that the behavior of the complexities for all modes smaller than $1.27times10^{16}mathrm{Mpc^{-1}}$ can be classified as above. Conversely, for modes re-entering the horizon during reheating, the signature of EoS on the evolution of the complexities will be embedded in each of the cases separately." @default.
- W4313305629 created "2023-01-06" @default.
- W4313305629 creator A5025504645 @default.
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- W4313305629 date "2022-12-28" @default.
- W4313305629 modified "2023-10-17" @default.
- W4313305629 title "Primordial Cosmic Complexity and effects of Reheating" @default.
- W4313305629 doi "https://doi.org/10.48550/arxiv.2212.13723" @default.
- W4313305629 hasPublicationYear "2022" @default.
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