532 citations · 2.2k across the 48 of their papers we have counts for
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Primordial black hole driven cosmic acceleration
Konstantinos Dialektopoulos, Theodoros Papanikolaou, Vasilios Zarikas
We propose a natural mechanism for cosmic acceleration driven by primordial black holes (PBHs) with repulsive behavior, within a ''Swiss Cheese'' cosmological framework. Considerin…
Cosmology of Cubic Poincaré Gauge gravity
Sebastian Bahamonde, Rebecca Briffa, Konstantinos Dialektopoulos +2
In this paper, we study flat FLRW cosmology for a Poincaré gauge theory containing cubic invariants that is free from ghosts in arbitrary backgrounds in the axial and vector sector…
Insights in cosmology: the relevance of the connection
Ismael Ayuso, Mariam Bouhmadi-López, Che-Yu Chen +3
We explore the role of the affine connection in gravity, a modified theory where gravity is governed by non-metricity within the symmetric teleparallel framework. Although t…
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533
The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…
Noether Symmetries in Cosmology
Konstantinos F. Dialektopoulos, Genly Leon, Andronikos Paliathanasis
We apply the Noether symmetry analysis in -Cosmology to determine invariant functions and conservation laws for the cosmological field equations. For the FLRW bac…
Primordial black holes as cosmic expansion accelerators
Konstantinos Dialektopoulos, Theodoros Papanikolaou, Vasilios Zarikas
We propose a novel and natural mechanism for cosmic acceleration driven by primordial black holes (PBHs) exhibiting repulsive behavior. Using a new ``Swiss Cheese'' cosmological ap…