Causal Dissipative Cosmology With Variable G and Lambda
Arbab I.Arbab, A.Beesham
TL;DR
This paper develops a cosmological model with variable gravitational and cosmological constants within a causal theory framework, deriving solutions that show an increasing G over time and exploring both power law and inflationary scenarios.
Contribution
It introduces a novel cosmological model incorporating variable G and Lambda within the Israel-Stewart-Hiscock causal theory, providing new solutions and insights.
Findings
G increases over time in the model
Power law and inflationary solutions are derived
The model offers a causal framework for variable constants
Abstract
A cosmological model with variable G and Lambda is considered in the framework of Israel-Stewart-Hiscock (ISH) causal theory. Power law as well as inflationary solutions are obtained. The gravitational constant is found to increase with time.
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