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Chandrasekhar Mass Limit of White Dwarfs in Modified Gravity
Artyom V. Astashenok, Sergey D. Odintsov, Vasilis Oikonomou
We investigate the Chandrasekhar mass limit for white dwarfs in various models of gravity. Two equations of state for stellar matter are used: simple relativistic polytropic…
Maximal Masses of White Dwarfs for Polytropes in Gravity and Theoretical Constraints
Artyom V. Astashenok, Sergey D. Odintsov, Vasilis K. Oikonomou
We examine the Chandrasekhar limit for white dwarfs in gravity, with a simple polytropic equation of state describing stellar matter. We use the most popular gravity…
Primordial Gravitational Waves Predictions for GW170817-compatible Einstein-Gauss-Bonnet Theory
V. K. Oikonomou
In this work we shall calculate in detail the effect of an GW170817-compatible Einstein-Gauss-Bonnet theory on the energy spectrum of the primordial gravitational waves. The spectr…
Amplification of Primordial Gravitational Waves by a Geometrically Driven non-canonical Reheating Era
S. D. Odintsov, V. K. Oikonomou
In order to describe inflation in general relativity, scalar fields must inevitably be used, with all the setbacks of that description. On the other hand, gravity and other…