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gr-qc2025
Gravitational collapse of matter fields in de Sitter spacetimes
Akriti Garg, Ayan Chatterjee
In this paper, we discuss the spherically symmetric gravitational collapse of matter fields in the de Sitter universe. The energy-momentum tensor of the matter field is assumed to…
gr-qc2025★ 2 cited
Spherical trapped surfaces in n-dimensional general relativity
Ayan Chatterjee, Suresh C. Jaryal, Akshay Kumar
In this paper, we examine gravitational collapse of matter fields in -dimensional general relativity. The matter energy-momentum tensor under consideration includes dust, perfec…
gr-qc2025
Gravitational collapse in pure Gauss- Bonnet theory
Akshay Kumar, Ayan Chatterjee, Suresh C. Jaryal
In this paper, we study the gravitational collapse of matter fields, which include dust, perfect fluids as well as fluids admitting bulk and shear viscosity. The initial conditions…