与重力耦合的相对论粒子、流体和等离子体力学
Relativistic particle, fluid and plasma mechanics coupled to gravity
摘要:
在这篇介绍性的评论文章中,我们探讨了粒子运动的特殊相对论方程和爱因斯坦著名公式$E=mc^2$的推导。其次,我们研究了狭义相对论电磁场方程和带电粒子洛伦兹运动方程的推广。然后我们引入了作为对称二阶张量场的狭义相对论性引力场。在静态引力存在下的粒子运动进行了探索,可用于研究行星动力学,揭示近日点的变化。接下来,我们研究了由无压等离子体和中性理想流体组成的耦合到引力场的系统。在这个领域,我们推导出相对论欧拉方程。最后,我们研究了理想流体等离子体的相对论动力学,并将其推广到粘性流,导出了相对论纳维-斯托克斯方程。
英文摘要:
In this introductory review article, we explore the special relativistic equations of particle motions and the consequent derivation of Einstein's famous formula $E=mc^2$. Next, we study the special relativistic electromagnetic field equations and generalizations of Lorentz equations of motion for charged particles. We then introduce the special relativistic gravitational field as a symmetric second order tensor field. Particle motions in the presence of static gravity are explored which could be used to study planetary dynamics, revealing perihelion shifts. Next, we investigate the system of consisting of pressureless plasmas and neutral perfect fluids coupled to the gravitational field. In that arena, we derive the relativistic Euler equation. Finally, we investigate the relativistic dynamics of a perfect fluid plasma and extensions to viscous flow and derive the relativistic Navier-Stokes equation.
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