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The strong backreaction regime in axion inflation
(APS, 2023-10-13)
We study the nonlinear dynamics of axion inflation, capturing for the first time the inhomogeneity and full dynamical range during strong backreaction, till the end of inflation. Accounting for inhomogeneous effects leads ...
Nambu-Goto Dynamics of Field Theory Cosmic String Loops
(IOP Publishing, 2023-05-18)
We perform a detailed comparison of the dynamics of cosmic string loops obtained in cosmological field theory simulations with their expected motion according to the Nambu-Goto action. We demonstrate that these loops follow ...