偶极电磁脉冲与恒定磁场相互作用中的二次谐波产生

IF 0.7 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Bulletin of the Lebedev Physics Institute Pub Date : 2025-08-01 DOI:10.3103/S1068335625602158

R. M. Feshchenko

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引用次数: 0

摘要

讨论了在恒定磁场作用下真空中强偶极电磁脉冲产生的非线性谐波。利用麦克斯韦非线性方程，从单环近似下的海森堡-欧拉拉格朗日方程出发，导出了在这种情况下产生的二次谐波电磁场的表达式。结果表明，如果初始电磁脉冲为电偶极子脉冲或磁偶极子脉冲，则其空间结构中的二次谐波脉冲为磁八极子脉冲。

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Second Harmonic Generation in the Interaction of a Dipole Electromagnetic Pulse with a Constant Magnetic Field

We discuss the generation of nonlinear harmonics by an intense dipole electromagnetic pulse in a vacuum in the presence of a constant magnetic field. Using Maxwell’s nonlinear equations, following from the Heisenberg–Euler Lagrangian in the one-loop approximation, expressions are derived for the electromagnetic field of the second harmonic generated in this case. It is shown that the second harmonic pulse in its spatial structure is a magnetic octupole pulse if the initial electromagnetic pulse is an electric- or magnetic-dipole pulse.

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来源期刊

Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-

CiteScore

0.70

自引率

25.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.