Modeling of non-rotating neutron stars in minimal dilatonic gravity
Plamen Fiziev, Kalin Marinov
TL;DR
This paper investigates non-rotating neutron star models within minimal dilatonic gravity (MDG), demonstrating how dark energy and dark matter effects influence star structure using numerical solutions with realistic equations of state.
Contribution
It provides the first extensive numerical analysis of neutron stars in MDG with multiple realistic EOS, highlighting the effects of dark energy and dark matter on stellar properties.
Findings
Dark energy and dark matter effects are evident in neutron star models.
Numerical solutions align with recent observational data.
Different equations of state produce consistent results.
Abstract
The model of minimal dilatonic gravity (MDG), called also the massive Branse-Dicke model with , is an alternative model of gravitation, which uses one Branse-Dicke gravitation-dilaton field and offers a simultaneous explanation of the effects of dark energy (DE) and dark matter (DM). Here we present an extensive research of non-rotating neutron star models in MDG with four different realistic equations of state (EOS), which are in agreement with the latest observational data. The equations describing static spherically symmetric stars in MDG are solved numerically. The effects corresponding to DE and DM are clearly seen and discussed.
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