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Publikováno v:
European Physical Journal C: Particles and Fields, Vol 84, Iss 10, Pp 1-13 (2024)
Abstract Quasiperiodic oscillations (QPOs) are a powerful tool for testing gravity theories, probing gravitational and electromagnetic field properties, and obtaining constraints on the black hole and field parameters. This work considers charged par
Externí odkaz:
https://doaj.org/article/dafe309f6fc9414db005620b00f47200
Autor:
Salmon Mukhammadiev, Sarvar Rajabov, Akmaljon Tojiboev, Jamshid Ashurov, Sardor Murodov, Shahlo Daminova
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 10, Pp 999-1002 (2024)
The asymmetric unit of the title salt, C7H8N3+·C7H5O6S−, comprises two 1,3-dihydro-2H-benzimidazol-2-iminium cations and two 2-hydroxy-5-sulfobenzoate anions (Z′ = 2). In the crystal, the molecules interact through N—H...O, O—H...O hydrogen
Externí odkaz:
https://doaj.org/article/38ccd4fd338549d28faf426c947ed54f
Autor:
Shokhzod Jumaniyozov, Saeed Ullah Khan, Javlon Rayimbaev, Ahmadjon Abdujabbarov, Sharofiddin Urinbaev, Sardor Murodov
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 84, Iss 9, Pp 1-13 (2024)
Abstract General relativity (GR) theory modifications include different scalar, vector, and tensor fields with non-minimal gravitational coupling. Kalb–Ramond (KR) gravity is a modified theory formulated based on the presence of the bosonic field.
Externí odkaz:
https://doaj.org/article/8bc054bbfda642c6ab3576591b5b9615
Publikováno v:
Symmetry, Vol 16, Iss 1, p 109 (2024)
The detailed and comprehensive analysis of radiation processes in accretion disks consisting of electrically charged particles around black holes may provide powerful information about the spacetime geometry of the central black hole. We investigate
Externí odkaz:
https://doaj.org/article/1e7f103405e0440eab7f7ecbfe4271df
Publikováno v:
Symmetry, Vol 15, Iss 11, p 2084 (2023)
The study of electromagnetic interactions among test particles with electric charges and magnetic dipole moments is of great significance when examining the dynamics of particles within strong gravitational fields surrounding black holes. In this wor
Externí odkaz:
https://doaj.org/article/cba6052fcd8d410bbdd922016c0ac745
Publikováno v:
Universe, Vol 9, Iss 9, p 391 (2023)
One of the open problems in black hole physics is testing spacetime around black holes through astrophysical observations in the strong field regime. In fact, black holes cannot produce radiation themselves in the electromagnetic spectrum. However, a
Externí odkaz:
https://doaj.org/article/270a7ab14d104e59b777338bb92b84d2
Publikováno v:
Symmetry, Vol 13, Iss 1, p 89 (2021)
We construct scalarized wormholes with a NUT charge in higher curvature theories. We consider both Einstein-scalar-Gauss-Bonnet and Einstein-scalar-Chern-Simons theories, following Brihaye, Herdeiro and Radu, who recently studied spontaneously scalar
Externí odkaz:
https://doaj.org/article/b35ba802d553488f97df8f7e10ea2761