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arXiv 1503.08700physics.plasm-ph
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经典和量子简并等离子体中横向电磁场产生纵向电流

Generation of longitudinal electric current by the transversal electromagnetic field in classical and quantum degenerate plasma

A. V. Latyshev, A. A. Yushkanov

摘要:

分析了简并无碰撞经典等离子体和简并量子等离子体与横向电磁场的非线性相互作用。推导了简并无碰撞经典等离子体和量子等离子体中电流的计算公式。它已经出现,非线性帐户导致发生纵向电流沿波矢量的方向。该第二电流与在经典线性分析中接收的已知横向电流正交。对经典简并费米等离子体和费米-狄拉克等离子体(电子气体具有任意程度简并的等离子体)的电流密度进行了图解比较。对经典和量子简并等离子体的电流密度进行了图解比较。比较了在不同的无量纲电磁场振荡频率下,量子简并等离子体的电流密度与无量纲波数的关系。

英文摘要:

The analysis of nonlinear interaction of transversal electromagnetic field with degenerate collisionless classical and quantum plasmas is carried out. Formulas for calculation electric current in degenerate collisionless classical and quantum plasmas are deduced. It has appeared, that the nonlinearity account leads to occurrence of longitudinal electric current directed along a wave vector. This second current is orthogonal to the known transversal current, received at the classical linear analysis. Graphic comparison of density of electric current for classical degenerate Fermi plasmas and Fermi-Dirac plasmas (plasmas with any degree of degeneration of electronic gas) is carried out. Graphic comparison of density of electric current for classical and quantum degenerate plasmas is carried out. Also comparison of dependence of density of electric current of quantum degenerate plasmas from dimensionless wave number at various values of dimensionless frequency of oscillations of electromagnetic field is carried out.

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