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All Journal INDONESIAN JOURNAL OF APPLIED PHYSICS
Romy Hanang Setya Budhi
Departemen Fisika, FMIPA, UGM
Astronomy Energy Materials Science & Nanotechnology Physics

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Solar System Constraints on the Yukawa Potential in f(R) Gravity Romy Hanang Setya Budhi
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 15, No 2 (2025): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v15i2.99471

Abstract

The  gravity theory is a modification of general relativity that yields a Yukawa gravitational potential in the weak-field limit. This potential modifies the Newtonian potential by adding an exponential term that depends on the parameters  and . In this study, we test the consistency of the Yukawa potential with observational data on the perihelion precession of planets in the solar system. Using observational data from the planets, we estimate the parameters  and  that are consistent with observations. Additionally, we analyze the constraints imposed by the Parametrized Post-Newtonian (PPN) formalism on these parameters. The results indicate that the parameter  can be taken within the range , with a relatively small value of . Observational constraints from the Cassini and MESSENGER missions also provide tight bounds on the PPN parameters  and . These findings suggest that the Yukawa potential in  gravity can explain gravitational phenomena on the scale of the solar system without violating existing observational constraints.
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