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Symmetries of Vaidya spacetimes | ||
| Journal of Finsler Geometry and its Applications | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 20 خرداد 1405 اصل مقاله (277.2 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22098/jfga.2026.19770.1210 | ||
| نویسندگان | ||
| Esmaeil Peyghan* ؛ Leila Nourmohammadifar | ||
| Department of Mathematics, Faculty of Science, Arak University, Arak, 38156-8-8349, Iran | ||
| چکیده | ||
| In this paper, we study Killing and 2-Killing vector fields on Vaidya spacetimes. We determine all Killing symmetries of the metric and obtain several classes of 2-Killing vector fields under the assumption of a single non-zero component. | ||
| کلیدواژهها | ||
| Vaidya spacetimes؛ Killing vector fields؛ 2-Killing vector fields | ||
| مراجع | ||
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1. F. Ahangar, Geometric analysis of the Lie algebra of Killing vector fields for a significant cosmological model of rotating fluids, J. Finsler Geom. Appl. 3(1) (2022), 49-65. 2. P. Atashpeykar and A. Haji-Badali, Characterization of the Killing and homothetic vector fields on Lorentzian pr-waves three-manifolds with recurrent curvature, J. Finsler Geom. Appl. 1(1) (2020), 84-88. 3. R. G. Cai, L. M. Cao, Y. Hu and S. P. Kim, Generalized Vaidya spacetime in Lovelock gravity and thermodynamics on apparent horizon, Phys. Rev. D 78, 124012 (2008). DOI:https://doi.org/10.1103/PhysRevD.78.124012 4. Y. Heydarzade and F. Darabi, Surrounded vaidya black holes: apparent horizon properties, Eur. Phys. J. C 78, 342 (2018), 1805.01022. 5. Y. Heydarzade and F. Darabi, Surrounded vaidya solution by cosmological fields, Eur.Phys. J. C 78, 582 (2018), 1710.04485. 6. P. A. Hogan and D. Puetzfeld, Bonnor-Vaidya charged point mass in an external Maxwell field, Phys. Rev. D 103, 044039 (2021). DOI:https://doi.org/10.1103/PhysRevD.103.044039 7. T. Oprea, 2-Killing Vector Fields on Riemannian Manifolds, Balkan Journal of Geometry and its Applications (BJGA) 13(1) (2008), 87-92. 8. A. B. Nielsen, Revisiting vaidya horizons, Galaxies, 2(1) (2014), 62-71. 9. E. Peyghan, L. Nourmohammadifar and D. Iosifidis, Statistical conformal Killing vector fields for FLRW spacetime, Phys Scr. 99, 065253, (2024). 10. P. C. Vaidya, The Gravitational Field of a Radiating Star, Proc.Indian Acad.Sci.A., 33,264 (1951). 11. V. Vertogradov, The generalized vaidya spacetime with polytropic equation of state, Gen.Rel. Grav. 56, 59 (2024), 2311.15671. 12. V. Vertogradov and D. Kudryavtsev, Generalized Vaidya spacetime: Horizons, conformal symmetries, surface gravity and diagonalization, Mod. Phys. Lett. A 38, 2350119 (2023), arXiv:2212.07130 [gr-qc] 13. A. Wang and Y. Wu, Generalized Vaidya Solutions, Gen. Relativ. Grav. 31(1) (1999), 107-114. | ||
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