Eur. Phys. J. C (2020) 80: 780
https://doi.org/10.1140/epjc/s10052-020-8359-y

Regular Article - Theoretical Physics

Inverse-chirp imprint of gravitational wave signals in scalar tensor theory

¹ School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China
² International Centre for Theoretical Physics Asia-Pacific, Beijing/Hangzhou, China
³ Department of Physics, National Tsing Hua University, Hsinchu, 300, Taiwan
⁴ Theoretical Astrophysics, IAAT, University of Tubingen, Tübingen, Germany
⁵ Institute of Physics, Academia Sinica, Taipei, 11529, Taiwan

^* e-mail: geng@phys.nthu.edu.tw

Received: 19 July 2020
Accepted: 14 August 2020
Published online: 26 August 2020

Abstract

The scalar tensor theory contains a coupling function connecting the quantities in the Jordan and Einstein frames, which is constrained to guarantee a transformation rule between frames. We simulate the supernovae core collapse with different choices of coupling functions defined over the viable region of the parameter space and find that a generic inverse-chirp feature of the gravitational waves in the scalar tensor scenario.