Zobrazeno 1 - 10
of 2 489
pro vyhledávání: '"Christodoulakis, A."'
We solve the gravitational field equations for a static, spherically symmetric spacetime within the framework of the symmetric teleparallel theory of gravity. Specifically, we derive new solutions within the context of power-law $f(Q)$ gravity and th
Externí odkaz:
http://arxiv.org/abs/2410.04513
Autor:
Shababi, Homa, Grammenos, Theophanes, Dimakis, Nikolaos, Paliathanasis, Andronikos, Christodoulakis, Theodosios
We uncover the solution space of a five dimensional geometry which we deem it as the direct counterpart of the Bianchi Type V cosmological model. We kinematically reduce the scale factor matrix and then, with an appropriate scaling and choice of time
Externí odkaz:
http://arxiv.org/abs/2402.13665
We investigate the existence of minisuperspace description for the homogeneous cosmological field equations within the framework of symmetric teleparallel $f(Q)$-gravity. We consider the background space to be described by the isotropic Friedmann--Le
Externí odkaz:
http://arxiv.org/abs/2308.15207
We investigate quantum cosmology in teleparallel $f(T)$-gravity. We delve extensively into the minisuperspace description within the context of teleparallelism. The $f(T)$-theory constitutes a second-order theory of gravity, whose cosmological counte
Externí odkaz:
http://arxiv.org/abs/2308.08759
We investigate the existence of anisotropic self-similar exact solutions in symmetric teleparallel $f\left( Q\right)$-theory. For the background geometry we consider the Kantowski-Sachs and the Locally Rotationally Symmetric Bianchi type III geometri
Externí odkaz:
http://arxiv.org/abs/2304.04419
The existence of self-similar solutions is discussed in symmetric teleparallel $f(Q)$-theory for a Friedmann-Lema\^itre-Robertson-Walker background geometry with zero and non-zero spatial curvature. For the four distinct families of connections which
Externí odkaz:
http://arxiv.org/abs/2210.10295
Autor:
Ioanna Tsiligianni, Antonios Christodoulakis, Alexia Monastirioti, Dimitrios Mavroudis, Sofia Agelaki
Publikováno v:
npj Primary Care Respiratory Medicine, Vol 34, Iss 1, Pp 1-9 (2024)
Abstract The early diagnosis of lung cancer improves the probability of successful treatment. However, patients and physicians face several difficulties that can considerably delay the diagnostic process. A mixed-methods study that would follow the p
Externí odkaz:
https://doaj.org/article/1cf57e13d2314924bbe691afc75c514b
We study a Friedmann-Lema\^{\i}tre-Robertson-Walker (FLRW) space-time in the theory of $f(Q)$-gravity, where $Q$ denotes the non-metricity scalar. It has been previously shown in the literature, that there exist four distinct families of connections,
Externí odkaz:
http://arxiv.org/abs/2205.04680
Autor:
Bouloukaki, Izolde1 (AUTHOR) izolthi@gmail.com, Christodoulakis, Antonios1,2 (AUTHOR) christodoulakisa@uoc.gr, Margetaki, Katerina1 (AUTHOR) i.tsiligianni@uoc.gr, Tsiligianni, Ioanna1 (AUTHOR)
Publikováno v:
Journal of Clinical Medicine. Aug2024, Vol. 13 Issue 16, p4793. 13p.
Publikováno v:
Class. Quantum Grav. 38, 225003 (2021)
We use Dirac's method for the quantization of constrained systems in order to quantize a spatially flat Friedmann-Lema\^{i}tre-Robertson-Walker spacetime in the context of $f(Q)$ cosmology. When the coincident gauge is considered, the resulting minis
Externí odkaz:
http://arxiv.org/abs/2108.01970