Dynamics of Temperature Distribution of Gravitationally Bound Objects in the Expanding Universe
https://doi.org/10.56304/S2079562920060445
Abstract
We consider a cluster of Primordial Black Holes (PBH) which is decoupled from the cosmological expansion (Hubble flow) and this region is heated as compared to the surrounding matter. The increased temperature inside the region can be explained by several mechanisms of PBH formation. The temperature dynamics is described by the appropriate equations in the framework of the Chapman–Enskog procedure.
About the Author
P. M. Petryakova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
References
1. Belotsky K.M., Dokuchaev V.I., Eroshenko Y.N. et al. // Eur. Phys. J. C. 2019. V. 79. P. 246. https://doi.org/10.1140/epjc/s10052-019-6741-4
2. Chapman S., Cowling T.G. The Mathematical Theory of Non-Uniform Gases: An Account of the Kinetic Theory of Viscosity, Thermal Conduction and Diffusion in Gases. 1970. Cambridge: Cambridge Univ. Press.
3. Eckart C. Phys. Rept. 1929.
4. Groot S.R., Leewen W.A., Weert Ch.G. // Relativistic Kinetic Theory: Principles and Applications. 1980. Amsterdam: North–Holland.
5. Petriakova P.M., Rubin S.G. // Bled Workshops in Physics. 2019. V. 20. P. 237−246. http://bsm.fmf.unilj.si/bled2019bsm/talks/BledVol20No2proc19-Dec23.pdf
6. Янке Е., Эмде Ф., Лёш Ф. // Специальные функции: Формулы, графики, таблицы. Пер. с нем. под. ред. Л.И. Седова. 1977. Москва: Наука.
7. Gorbunov D.S., Rubakov V.A. // Introduction to the Theory of the Early Universe: Hot Big Bang Theory. 2017. New Jersey: World Scientific.
8. Брагинский С.И. // Вопросы теории плазмы. 1963. Москва: Госатомиздат.
Review
For citations:
Petryakova P.M. Dynamics of Temperature Distribution of Gravitationally Bound Objects in the Expanding Universe. Nuclear Physics and Engineering. 2021;12(2):129-131. (In Russ.) https://doi.org/10.56304/S2079562920060445
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