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arXiv 2005.09764math.APmath-phmath.MP
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定态Vlasov-泊松方程与点电荷相互作用的德拜屏蔽

Debye screening for the stationary Vlasov-Poisson equation in interaction with a point charge

Adolfo Arroyo-Rabasa, Raphael Winter

摘要:

我们证明了由非线性Vlasov-泊松方程描述的空间均匀等离子体与点电荷相互作用中的德拜屏蔽长度。虽然屏蔽定态以及时间相关的问题是很好的研究线性化方程,有一些严格的结果筛选在非线性设置。因此,这里给出的结果覆盖了线性化理论预测的假设下的平稳情况。

英文摘要:

We prove that the Debye screening length emerges in a spatially homogeneous plasma described by the nonlinear Vlasov-Poisson equation interacting with a point charge. While screened stationary states as well as the time-dependent problem are well-studied for the linearized equation, there are few rigorous results on screening in the nonlinear setting. As such, the results presented here cover the stationary case under the assumptions predicted by the linearized theory.

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