Test of Hybrid Metric-Palatini f(R)-Gravity in Binary Pulsars

被引：15

作者：

Avdeev, N. A. ^{[1
,2
]}

Dyadina, P. I. ^{[1
]}

Labazova, S. P. ^{[3
]}

机构：

[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow, Russia

[2] Moscow MV Lomonosov State Univ, Dept Astrophys & Stellar Astron, Moscow, Russia

[3] Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119991, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2020年 / 131卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

RELATIVISTIC CELESTIAL MECHANICS; MODIFIED GRAVITY; INFLATION; CURVATURE; EQUATIONS; SYSTEMS;

D O I：

10.1134/S1063776120100039

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We developed the parameterized post-Keplerian formalism for hybrid metric-Palatini f(R)-gravity. We obtained analytical expressions in the general eccentric case for four post-Keplerian parameters: (omega) over dot, (P) over dot(b) r, and s. Using observational data of PSR J0737-3039 and PSR J1903+0327 we imposed restrictions on the parameters of hybrid f(R)-gravity and showed that this theory is not ruled out by the observations in strong field regime. In addition we obtained predictions for masses of systems components and found that considered astrophysical objects will be heavier than in GR.

引用

页码：537 / 547

页数：11

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