Vishnu A Pai

activity

20232026

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astro-ph.CO2025

$Λ$ vCF: Extending $Λ$ CDM into a Unified Model with Particle Creation

Vishnu A Pai, Titus K Mathew

We present a novel extended version of the $Λ$ CDM model that provides analytical solution for Hubble parameter uniting all epochs of cosmic evolution starting from inflation to lat…

astro-ph.CO2024

Dissipative $Λ$ CDM model with causal sign-switching bulk viscous pressure

Vishnu A Pai, Sarath N, Titus K Mathew

Extending the standard $Λ$ CDM model by considering dissipative effects within a causal viscous framework, and obtaining an analytical solution for the Hubble parameter remains a ch…

ΛvCF: Extending ΛCDM into a Unified Model with Particle Creation

Dissipative ΛCDM model with causal sign-switching bulk viscous pressure

$Λ$ vCF: Extending $Λ$ CDM into a Unified Model with Particle Creation

Dissipative $Λ$ CDM model with causal sign-switching bulk viscous pressure