activity
20242026
collaborators

10 papers

gr-qc2026

Compact Stars in Symmetric Teleparallel Scalar-Tensor Gravity

Grigorios Panotopoulos, Andrés Lueiza-Colipí, Nikolaos Dimakis +1

We investigate the existence of static, spherically symmetric compact objects within the framework of symmetric teleparallel scalar-tensor gravity. This theory extends the Brans-Di…

gr-qc2026

Dirac-Bergmann algorithm and canonical quantization of -essence cosmology

Andrés Lueiza-Colipí, Andronikos Paliathanasis, Nikolaos Dimakis

We develop a general canonical quantization scheme for -essence cosmology in scalar-tensor theory. Utilizing the Dirac-Bergmann algorithm, we construct the Hamiltonian associate…

gr-qc2026

Relativistic stars in -gravity: Exact analytic solution for the power-law case

Nikolaos Dimakis, Alex Giacomini, Andronikos Paliathanasis +1

We investigate static spherically symmetric spacetimes within the framework of symmetric teleparallel gravity in order to describe relativistic stars. We adopt a specific an…

gr-qc2025

-cosmological dynamics in the FLRW background

Nikolaos Dimakis, Alex Giacomini, Genly Leon +3

We examine the cosmological dynamics of Einstein-Gauss-Bonnet gravity models in a four-dimensional spatially flat FLRW metric. These models are described by $f\left( R,\mathcal{G}\…

hep-th2025

Quantum Mechanics from General Relativity and the Quantum Friedmann Equation

Marco Matone, Nikolaos Dimakis

We demonstrate that the recently introduced linear equation, reformulating the first Friedmann equation, is the first-order WKB expansion of a quantum cosmological equation. This r…

gr-qc2025

Geodesic motion in Bogoslovsky-Finsler Spacetimes

M. Elbistan, P. -M. Zhang, N. Dimakis +2

We study the free motion of a massive particle moving in the background of a Finslerian deformation of a plane gravitational wave in Einstein's General Relativity. The deformation…