The role of pressure anisotropy on the maximum mass of cold compact stars
S. Karmakar, S. Mukherjee, R. Sharma, S. D. Maharaj
TL;DR
This paper investigates how pressure anisotropy influences the maximum mass and surface redshift of cold compact stars using the Vaidya-Tikekar model, showing that anisotropy can increase these properties.
Contribution
It provides an exact solution analysis demonstrating the impact of pressure anisotropy on the maximum mass and redshift of cold compact stars.
Findings
Maximum mass increases with pressure anisotropy
Surface redshift is higher in anisotropic stars
Results align with observational data
Abstract
We study the physical features of a class of exact solutions for cold compact anisotropic stars. The effect of pressure anisotropy on the maximum mass and surface redshift is analysed in the Vaidya-Tikekar model. It is shown that maximum compactness, redshift and mass increase in the presence of anisotropic pressures; numerical values are generated which are in agreement with observation.
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