外电磁场作用下相对论气体的非延拓率和q分布
Nonextensivity and q-distribution of a relativistic gas under an external electromagnetic field
摘要：
本文研究了相对论气体在外电磁场作用下的非广延度和q分布。基于相对论广义Boltzmann方程、相对论q-H定理和非广延q动力学理论中的相对论q幂律分布函数，导出了非广延参数q的表达式.从而给出了参数1-q与气体温度场的微分以及四维势在时间和空间坐标上的微分之间的联系，从而使气体的非延拓性具有了明确的物理意义。
英文摘要：
We investigate the nonextensivity and the q-distribution of a relativistic gas under an external electromagnetic field. We derive a formula expression of the nonextensive parameter q based on the relativistic generalized Boltzmann equation, the relativistic q-H theorem and the relativistic version of q-power-law distribution function in the nonextensive q-kinetic theory. We thus provide the connection between the parameter 1-q and the differentiation of the temperature field of the gas as well as the four-potential with respect to time and space coordinates, and therefore present the nonextensivity for the gas a clearly physical meaning.
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