2 papers
gr-qc2025
Inhomogeneous model with a space dependent Cosmological Constant
D. Comelli
We analyse an inhomogeneous cosmological model featuring a spherically symmetric bubble solution induced by a unified single perfect fluid, comprising spatially dependent Dark Ener…
gr-qc2023
A space dependent Cosmological Constant
Denis Comelli
In a specific adiabatic perfect fluid, intrinsic entropy density perturbations are the source of a {\it space dependent} cosmological constant responsible for local void inhomogene…