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Effect of cold plasma on the form of rays propagating in the equatorial plane of a rotating black hole is investigated. Two kinds of regions in the radius-impact parameter plane allowed for the rays are constructed: for radiation with a given frequen
Externí odkaz:
http://arxiv.org/abs/2312.04451
Autor:
Bezdekova, Barbora, Bicak, Jiri
The light propagation in plasma medium around stationary gravitating objects is studied in the geometrical optics limit. Static metrics with quadrupole moments are considered, however, the main attention is paid to the stationary Hartle-Thorne metric
Externí odkaz:
http://arxiv.org/abs/2309.14766
Publikováno v:
Phys. Rev. D 107, 104014 (2023)
By considering a misaligned (asymptotically uniform) magnetic field in the background of a rotating black hole, we uncover a possibility for a highly non-trivial motion of Carrollian particles on the black hole horizon that is characterized by a time
Externí odkaz:
http://arxiv.org/abs/2302.11639
Autor:
Ibrahim Bicak, Z.W. Taylor
Publikováno v:
Journal of College Orientation, Transition, and Retention, Vol 31, Iss 2 (2024)
Course withdrawal is common among college students, but scant empirical research has explored the effects of course withdrawal on student outcomes (e.g., persistence, degree attainment). By using statewide administrative data from Texas (N=605,362),
Externí odkaz:
https://doaj.org/article/1cdc3e8fb4af4efcbd9d206afd2bee3d
Autor:
Mehmet Zulkuf Akdag, Suleyman Dasdag, Ali Gelir, Mahmut Berat Akdag, Mehmet Gem, Nazan Baksi, Fuat Akpinar, Tugcem Bicak, Enes Arica, Serdar Kutluer, Rukiye Arıcan, Halil Kılınç
Publikováno v:
Biotechnology & Biotechnological Equipment, Vol 38, Iss 1 (2024)
Pulsed electromagnetic fields (PEMF) have been used in bone fracture healing for many years. However, it is still not clear which frequencies are more effective. Therefore, the aim of this study was to investigate the effect of single frequency of 4
Externí odkaz:
https://doaj.org/article/205b74783a304831a74d0bc2688e27db
In silico and in vitro studies of Tyr-Lys-Thr tripeptide against human lung cancer cell line (A549).
Autor:
BICAK, Bilge1 bbicak@istanbul.edu.tr, AKMAN, Gizem2
Publikováno v:
Bratislava Medical Journal / Bratislavské Lekárske Listy. 2024, Vol. 125 Issue 10, p597-604. 8p.
Autor:
Bičák, Jiří, Ledvinka, Tomáš
Publikováno v:
International Journal of Modern Physics D, Vol. 31, No. 03, p. 2230004 (2022)
In this paper, we review and analyze four specific general-relativistic problems in which gravitomagnetism plays an important role: the dragging of magnetic fields around rotating black holes, dragging inside a collapsing slowly rotating spherical sh
Externí odkaz:
http://arxiv.org/abs/2206.12397
The properties of light rays around compact objects surrounded by a plasma are affected by both strong gravitational fields described by a general-relativistic spacetime and by a dispersive and refractive medium, characterized by the density distribu
Externí odkaz:
http://arxiv.org/abs/2204.05593
Publikováno v:
In Archives of Psychiatric Nursing December 2024 53:17-23
Publikováno v:
Polish Journal of Pathology, Vol 74, Iss 4, Pp 297-301 (2024)
Mesothelioma is a locally aggressive malignant tumor that arises on the mesothelial surfaces of the pleura, peritoneum and tunica vaginalis. There are three histologic subtypes of mesothelioma: epithelioid, biphasic, and sarcomatoid. Pleural mesothel
Externí odkaz:
https://doaj.org/article/a1eea4e59d2c4cddaf1a3fb3177031e8