Spectrum of high-frequency gravitational waves from graviton bremsstrahlung by the decay of inflaton: case with polynomial potential
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DOI: 10.1088/1475-7516/2025/02/041
Abstract: We study the generation of high-frequency gravitational waves (GWs) through graviton bremsstrahlung during the decay of inflaton in the post-inflationary universe, focusing on scenarios with a polynomial inflaton potential. Two main reheating channels are considered:… read more here.
Keywords: graviton bremsstrahlung; gravitational waves; inflaton; bremsstrahlung decay ... See more keywords