狭义相对论动力学理论中耗散效应的微观本质
On the microscopic nature of dissipative effects in special relativistic kinetic theory
摘要：
在相对论气体动力学理论框架内，提出了一种热通量和粘性应力张量定义的微观公式，强调了热通量和粘性应力张量的物理本质。一个洛伦兹变换被引入作为实验室和当地的共动框架之间的联系，从而分子和混沌速度之间。通过这种变换，耗散效应可以分别被识别为混沌动能和脱离平衡的动量通量的平均值。在这个框架内，随后的相对论气体的输运方程的动力学基础。据我们所知，这个结果是完全新颖的。
英文摘要：
A microscopic formulation of the definition of both the heat flux and the viscous stress tensor is proposed in the framework of kinetic theory for relativistic gases emphasizing on the physical nature of such fluxes. A Lorentz transformation is introduced as the link between the laboratory and local comoving frames and thus between molecular and chaotic velocities. With such transformation, the dissipative effects can be identified as the averages of the chaotic kinetic energy and the momentum flux out of equilibrium, respectively. Within this framework, a kinetic foundation of the ensuing transport equations for the relativistic gas is achieved. To our knowledge, this result is completely novel.
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