Geodesic
Vlasov--Maxwell--Einstein-type equations and their consequences. Applications to astrophysical problems
Teoretičeskaâ i matematičeskaâ fizika, Tome 218 (2024) no. 2, pp. 258-279

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We consider a method for obtaining equations of the Hamiltonian dynamics for system of interacting massive charged particles using the general relativistic Einstein–Hilbert action. In the general relativistic case, Vlasov-type equations are derived in the nonrelativistic and weakly relativistic limits. Expressions are proposed for corrections to the Poisson equation, which can contribute to the effective action of dark matter and dark energy. In this case, an efficient approach to synchronizing the proper times of different particles of a many-particle system is proposed. Based on the obtained expressions for the action, we analyze the possibility of a composite structure of the cosmological term in the Einstein equations. Reduced Euler equations leading to the Milne–McCrea cosmological model are derived using a hydrodynamic substitution and are solved in the self-similar class.
Mots-clés : Lorentz action
Keywords: Lagrangian, Einstein–Hilbert action, Vlasov–Einstein equation. 
@article{TMF_2024_218_2_a3,
     author = {V. V. Vedenyapin and N. N. Fimin and V. M. Chechetkin},
     title = {Vlasov--Maxwell--Einstein-type equations and their consequences. {Applications} to astrophysical problems},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {258--279},
     publisher = {mathdoc},
     volume = {218},
     number = {2},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2024_218_2_a3/}
}
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V. V. Vedenyapin; N. N. Fimin; V. M. Chechetkin. Vlasov--Maxwell--Einstein-type equations and their consequences. Applications to astrophysical problems. Teoretičeskaâ i matematičeskaâ fizika, Tome 218 (2024) no. 2, pp. 258-279. http://geodesic.mathdoc.fr/item/TMF_2024_218_2_a3/