Resistive dissipative magnetohydrodynamics from the Boltzmann-Vlasov equation

被引:65
作者
Denicol, Gabriel S. [1 ]
Molnar, Etele [2 ,3 ]
Niemi, Harri [2 ,4 ,5 ]
Rischke, Dirk H. [2 ,6 ]
机构
[1] Univ Fed Fluminense, Inst Fis, BR-24210346 Niteroi, RJ, Brazil
[2] Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue St 1, D-60438 Frankfurt, Germany
[3] Univ Bergen, Inst Phys & Technol, Allegaten 55, N-5007 Bergen, Norway
[4] Univ Jyvaskyla, Dept Phys, POB 35, FI-40014 Jyvaskyla, Finland
[5] Univ Helsinki, Helsinki Inst Phys, POB 64, FI-00014 Helsinki, Finland
[6] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
基金
芬兰科学院;
关键词
THERMODYNAMICS;
D O I
10.1103/PhysRevD.99.056017
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We derive the equations of motion of relativistic, resistive, second-order dissipative magnetohydrodynamics from the Boltzmann-Vlasov equation using the method of moments. We thus extend our previous work [Phys. Rev. D 98, 076009 (2018)], where we only considered the nonresistive limit, to the case of finite electric conductivity. This requires keeping terms proportional to the electric field E-mu in the equations of motions and leads to new transport coefficients due to the coupling of the electric field to dissipative quantities. We also show that the Navier-Stokes limit of the charge-diffusion current corresponds to Ohm's law, while the coefficients of electrical conductivity and charge diffusion are related by a type of Wiedemann-Franz law.
引用
收藏
页数:11
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