Analysis reveals corrections in the power spectrum of tensor perturbations during inflation, suggesting new insights into slow-roll dynamics.
We calculate the scalar-induced one-loop correction to the power spectrum of tensor perturbations produced during single-field slow-roll inflation. We find that the correction is given by the square of the product of the slow-roll parameter and the tree-level scalar power spetctrum. We also discuss the implications of the logarithmic contribution.
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Kong et al. (2025) studied this question.
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