Zobrazeno 1 - 10
of 481
pro vyhledávání: '"Vacaru, Sergiu I."'
Autor:
Vacaru, Sergiu I.
Nonassociative modifications of general relativity, GR, and quantum gravity, QG, models naturally arise as star product and R-flux deformations considered in string/ M-theory. Such nonassociative and noncommutative geometric and quantum information t
Externí odkaz:
http://arxiv.org/abs/2411.12158
Publikováno v:
Eur. Phys. J. C 84 (2024) 211
We extend the anholonomic frame and connection deformation method, AFCDM, for constructing exact and parametric solutions in general relativity, GR, to geometric flow models and modified gravity theories, MGTs, with nontrivial torsion and nonmetricit
Externí odkaz:
http://arxiv.org/abs/2402.19362
Publikováno v:
Fortschr. Phys. 2023, 2300212
This article consists of an introduction to the theory of nonassociative geometric classical and quantum information flows defined by star products with R-flux deformations in string gravity. Corresponding nonassociative generalizations of the concep
Externí odkaz:
http://arxiv.org/abs/2402.10993
Publikováno v:
Fortschritte der Physik 2023, 71, 2200140
We extend to a theory of nonassociative geometric flows a string-inspired model of nonassociative gravity determined by star product and R-flux deformations. The nonassociative Ricci tensor and curvature scalar defined by (non) symmetric metric struc
Externí odkaz:
http://arxiv.org/abs/2305.20014
Publikováno v:
JHEP05(2023)057
This paper systematically explores new classes of black hole (BH) solutions in nonassociative and noncommutative gravity by focusing on features that generalize to higher dimensions. The theories we study are modelled on (co) tangent Lorentz bundles
Externí odkaz:
http://arxiv.org/abs/2207.05157
Publikováno v:
In Annals of Physics June 2024 465
Publikováno v:
Eur. Phys. J. C 81 (2021) 1145
We construct nonassociative quasi-stationary solutions describing deformations of Schwarzschild black holes, BHs, to ellipsoid configurations, which can be black ellipsoids, BEs, and/or BHs with ellipsoidal accretion disks. Such solutions are defined
Externí odkaz:
http://arxiv.org/abs/2108.04689
Publikováno v:
Fortsch.Phys. 69 (2021) 4-5, 2100030
We prove that nonassociative star deformed vacuum Einstein equations can be decoupled and integrated in certain general forms on phase spaces involving real R-flux terms induced as parametric corrections on base Lorentz manifold spacetimes. The geome
Externí odkaz:
http://arxiv.org/abs/2106.01869
Publikováno v:
Fortsch.Phys. 69 (2021) 4-5, 2100029
We elaborate on nonassociative differential geometry of phase spaces endowed with nonholonomic (non-integrable) distributions and frames, nonlinear and linear connections, symmetric and nonsymmetric metrics, and correspondingly adapted quasi-Hopf alg
Externí odkaz:
http://arxiv.org/abs/2106.01320