Gravitational Waves Induced by Scalar Perturbations during a gradual Transition from an Early Matter era to the Radiation era Keisuke Inomata Institute for Cosmic Ray Research (ICRR), The University of Tokyo Collaborators: K.Kohri(KEK), T.Nakama(HKUST), T.Terada(KEK) arXiv: 1904.12878 (and 1904.12879 for Terada’s talk ) Note: My talk is strongly related to Terada’s talk (right after mine).
<latexit sha1_base64="lpkwNhN6NJ3Fflb24UratYmLBsw=">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</latexit> <latexit sha1_base64="lpkwNhN6NJ3Fflb24UratYmLBsw=">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</latexit> <latexit sha1_base64="lpkwNhN6NJ3Fflb24UratYmLBsw=">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</latexit> <latexit sha1_base64="lpkwNhN6NJ3Fflb24UratYmLBsw=">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</latexit> 2/18 Overview of our two talks P ζ = A s Θ ( k − 30 / η eq ) Θ ( k max − k ) , k max = 450 / η R 10 13 sudden reheating 10 9 Terada’s talk 10 5 Previous works Our works 10.000 gradual reheating My talk 0.001 0.001 0.0050.010 0.0500.100 0.500 1 We revisit the effect of an early matter dominated era on the gravitational waves induced by scalar perturbations. As a result, we find that the induced GWs strongly depend on how quickly the reheating occurs. Keisuke Inomata (ICRR, The Univ. of Tokyo) arXiv: 1904.12878 (& 1904.12879)
Outline • Introduction • eMD effects in a gradual reheating scenario • Summary
Recommend
More recommend