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Abstract <p>The paper examines the effect of magnetically dependent heating on amplification of fast magnetoacoustic kink waves in a coronal plasma with thermal imbalance. Based on the theoretical model of a thin magnetic layer, we derive an analytical expression for the decrement (increment) of waves in the low-frequency limit. The influence of magnetically dependent heating, plasma temperature, and density contrast on amplification of kink waves in the layer is established. The results contribute to understanding the mechanisms of long-lived oscillations in the solar corona.</p>

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Effect of Magnetically Dependent Heating on Amplification of Kink Waves in a Coronal Plasma with Thermal Imbalance

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • D. V. Agapova,
  • S. Yu. Pichugin,
  • D. I. Zavershinskii,
  • N. E. Molevich,
  • D. S. Riashchikov

摘要

Abstract

The paper examines the effect of magnetically dependent heating on amplification of fast magnetoacoustic kink waves in a coronal plasma with thermal imbalance. Based on the theoretical model of a thin magnetic layer, we derive an analytical expression for the decrement (increment) of waves in the low-frequency limit. The influence of magnetically dependent heating, plasma temperature, and density contrast on amplification of kink waves in the layer is established. The results contribute to understanding the mechanisms of long-lived oscillations in the solar corona.