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2:00 pm

Physics & Astronomy/STAR cluster seminar: The effective sound speed and homospectrality of cosmological perturbations

August 6 @ 2:00 pm

Prof. Antonio Enea Romano, U. Antioquia, Colombia / 2019 Tomlinson Scholar We introduce two new effective quantities for the study of comoving curvature perturbations ζ: the space-dependent effective sound speed (SESS) and the momentum-dependent effective sound speed (MESS). ­­We use the SESS and the MESS to derive a new set of equations,  not involving explicitly … Continue reading Physics & Astronomy/STAR cluster seminar: The effective sound speed and homospectrality of cosmological perturbations

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