Matches in SemOpenAlex for { <https://semopenalex.org/work/W4385554368> ?p ?o ?g. }
- W4385554368 abstract "We present the first nonlinear lattice simulation of an axion field coupled to a U(1) gauge field during inflation. We use it to fully characterize the statistics of the primordial curvature perturbation {zeta}. We find high-order statistics to be essential in describing non-Gaussianity of {zeta} in the linear regime of the theory. On the contrary, non-Gaussianity is suppressed when the dynamics becomes nonlinear. This relaxes bounds from overproduction of primordial black holes, allowing for an observable gravitational waves signal at pulsar timing array and interferometers scales. Our work establishes lattice simulations as a crucial tool to study the inflationary epoch and its predictions." @default.
- W4385554368 created "2023-08-04" @default.
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- W4385554368 date "2023-08-03" @default.
- W4385554368 modified "2023-10-13" @default.
- W4385554368 title "Lattice simulations of axion-U(1) inflation" @default.
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- W4385554368 doi "https://doi.org/10.1103/physrevd.108.043504" @default.
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