ARTICLE

doi:10.20944/preprints202404.0626.v2
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
perturbed FLRW metric; Einstein equations; particle Lagrangian; gravitational lensing; distance ladder; Hubble constant
Online: 2 July 2024 (13:14:24 CEST)
ARTICLE

doi:10.20944/preprints202306.2002.v1
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
FLRW metric; Rastall gravity; particle creation
Online: 29 June 2023 (08:13:29 CEST)
ARTICLE

doi:10.20944/preprints202208.0056.v2
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
QFT in conformally flat spacetimes; zeta regularization; holography; FLRW
Online: 12 October 2022 (10:13:17 CEST)
ARTICLE

doi:10.20944/preprints202403.1241.v2
Subject:
Physical Sciences,
Astronomy And Astrophysics
Keywords:
Friedmann equations, FLRW, Universal critical density, Cosmological con stant, HaugTatum model, Extremal solution, HaugSpavieri solution, Flat space cosmology
Online: 26 March 2024 (10:51:27 CET)
ARTICLE

doi:10.20944/preprints202308.0625.v1
Subject:
Physical Sciences,
Theoretical Physics
Keywords:
Cosmological models; f(Q, T) gravity; Observational Constraints; FLRW spacetime; Deceleration parameter q; Root Mean Square Error (RMSE)
Online: 8 August 2023 (10:54:18 CEST)
ARTICLE

doi:10.20944/preprints202101.0544.v2
Subject:
Physical Sciences,
Mathematical Physics
Keywords:
Clifford algebras Cl(3,0) and Cl(0,3); center of Cl(3); two dimensional spacetime of timevolume; constant uniform acceleration; Rindler coordinates; FLRW metric; scale factor; AdS and de Sitter models
Online: 5 February 2021 (10:13:00 CET)