论文标题

非等温血浆的相关函数和压力

Correlation functions and pressure of non-isothermal plasma

论文作者

Medvedev, Emile S.

论文摘要

得出了经典非等温两分之二等离子体的相关函数的表达式。在$θ_e\ggθ_i$的限制情况下,由于存在弱阻尼波(离子声音),因此出现了强相关性,其相位速度位于粒子的热速度之间,$ u_e \ggΩ/k \ gggggg \ gggggggg u_i $。由于这些相关性,与不存在这样波的热力学平衡相比,由于库仑相互作用而导致的压力的附加项会改变其符号。

Expressions for correlation functions of classical non-isothermal two-component plasma are derived. In the limiting case of $Θ_e\ggΘ_i$ strong correlations arise due to the existence of weakly damping waves (ionic sound), whose phase velocity is between the thermal velocities of particles, $u_e\ggω/k\gg u_i$. Owing to these correlations, the additional term in the expression for pressure due to the Coulomb interaction changes its sign as compared to the case of thermodynamic equilibrium where such waves do not exist.

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