GR-GSG Hybrid Gravity
Nahomi Kan (NIT, Gifu College), Takuya Maki (Japan Women's College of, Physical Education), Kiyoshi Shiraishi (Yamaguchi University)
TL;DR
This paper introduces a hybrid gravity model combining General Relativity and scalar-generated metrics, successfully reproducing Schwarzschild solutions and exhibiting accelerating cosmological behaviors.
Contribution
It presents a novel hybrid gravity framework that integrates scalar and tensor metrics, extending Geometric Scalar Gravity to recover key solutions and cosmological acceleration.
Findings
Exact Schwarzschild solution obtained.
Cosmological solutions show accelerating scale factors.
Hybrid model unifies scalar and tensor gravity features.
Abstract
We propose a model of gravity in which a General Relativity metric tensor and an effective metric generated from a single scalar formulated in Geometric Scalar Gravity are mixed. We show that the model yields the exact Schwarzschild solution, along with accelerating behavior of scale factors in cosmological solutions.
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