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Electromagnetic Radiation at an Impact Magnetization Change under the Effect of a Femtosecond Light Pulse

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Abstract

In this Letter, we estimate the possibility of radiation of an electromagnetic wave at an impact magnetization change under the effect of a powerful femtosecond light pulse. A model of the accelerated oncoming motion of two opposite magnetic charges is proposed as a mechanism. The time dependences of the magnetization are obtained taking into account the pulse duration. The amplitude–frequency spectra of the emitted waves are provided. Radiation patterns are determined.

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Funding

This work was supported within the framework of a state assignment to the Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences.

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Correspondence to V. G. Shavrov.

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The authors declare that they have no conflicts of interest.

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Translated by A. Ivanov

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Vlasov, V.S., Shavrov, V.G. & Shcheglov, V.I. Electromagnetic Radiation at an Impact Magnetization Change under the Effect of a Femtosecond Light Pulse. Tech. Phys. Lett. 47, 580–582 (2021). https://doi.org/10.1134/S1063785021060158

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  • DOI: https://doi.org/10.1134/S1063785021060158

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