Horndeski gravity without screening in binary pulsars

2018/11/13 by P. I. Dyadina, N. A. Avdeev, S. O. Alexeyev · 19 citations
Earth and Planetary Sciences · Physics and Astronomy · #Astronomy #Astrophysics #Binary number #Cosmology and Gravitation Theories #Energy (signal processing) #Geophysics and Gravity Measurements #Gravitation #Metric (unit) #Neutron star #Physics #Pulsar #Pulsars and Gravitational Waves Research #Quantum mechanics #Theoretical physics #astro-ph.HE #gr-qc

paper · pdf · doi:10.1093/mnras/sty3094

published in Monthly Notices of the Royal Astronomical Society 483(1), 947-963 (Oxford University Press) · 19 pages, 8 figures. Accepted for publication in MNRAS

arxiv created 2018/11/13 · openalex publication_date 2018/11/13 · arxiv updated 2019/07/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We test the subclasses of Horndeski gravity without Vainshtein mechanism in the strong field regime of binary pulsars. We find the rate of energy losses via the gravitational radiation predicted by such theories and compare our results with observational data from quasi-circular binaries PSR J1738+0333, PSR J0737 − 3039, and PSR J1012 + 5307. In addition, we consider few specific cases: the hybrid metric-Palatini f(R)-gravity and massive Brans–Dicke theory.

Citations

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