TITLE:
Linearly Varying Deceleration Parameter with Axion Dark Matter in f( R,T ) Gravity
AUTHORS:
Sachin Pralhadrao Hatkar, Gajanan Dattarao Karhale, Dnyaneshwar Pralhad Tadas, Shivdas Devmanrao Katore
KEYWORDS:
FLRW Metric, Axion Dark Matter, Gravity
JOURNAL NAME:
Journal of Applied Mathematics and Physics,
Vol.14 No.6,
June
24,
2026
ABSTRACT: In this paper, we have investigated the flat FLRW spacetime with axion dark matter in the context of
f(
R,T
)
theory of gravitation. The solution of the field equation is obtained by using linear varying deceleration parameter. It is observed that the universe was decelerated in the past and accelerated at present. Also, the energy conditions and State finder pair
{
r,s }
are analyzed in details.