Theoretical priors in scalar-tensor cosmologies: shift-symmetric Horndeski models

Attempts at constraining theories of late time accelerated expansion often assume broad priors for the parameters in their phenomenological description. Focusing on shift-symmetric scalar-tensor theories with standard gravitational wave speed, we show how a more careful analysis of their dynamical e...

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Bibliographic Details
Main Authors: Traykova, D, Bellini, E, Ferreira, PG, García-García, C, Noller, J, Zumalacárregui, M
Format: Journal article
Language:English
Published: American Physical Society 2021