3 papers
gr-qc2025
Holographic cosmology with logarithmic equation of state based on a new generalized entropy
I. Brevik, A. V. Timoshkin
The cosmological application of a dark viscous fluid in a spatially flat Friedmann-Robertson-Walker (FRW) universe with a modified logarithmic equation of state (EoS), being an ana…
hep-th2024
Towards a unitary formulation of quantum field theory in curved spacetime: the case of de Sitter spacetime
K. Sravan Kumar, João Marto
Before we ask what the quantum gravity theory is, it is a legitimate quest to formulate a robust quantum field theory in curved spacetime (QFTCS). Several conceptual problems, espe…
gr-qc2024
Rips and regular future scenario with Holographic Dark Energy: A comprehensive look
I. Brevik, Maxim Khlopov, S. D. Odintsov +2
Interest on the possible future scenarios the universe could have has grew substantially with breakthroughs on late-time acceleration. Holographic dark energy (HDE) presents a very…