A possible mechanism of nonresonant heating of the chromosphere-corona transition zone

Li Xiao-qing, Zhang Zhen-da
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引用次数: 2

Abstract

The steep temperature distribution with height in the solar chromosphere-corona transition zone is one of the unsolved problems in solar physics. This paper presents a qualitative and quantitative explanation to this steep distribution of temperature in terms of the pileup effect of the oscillations in a plasma and the mechanism of wave-particles nonresonant heating. Analysis shows that if a proton beam of high energy is continuously injected into the transition zone from the chromosphere, the steep distribution of temperature is able to appear in a narrow layer through the plasma wave-particles nonlinear interactions.

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色球-日冕过渡带非共振加热的可能机制
太阳色球-日冕过渡带温度随高度的急剧分布是太阳物理学尚未解决的问题之一。本文从等离子体振荡的堆积效应和波粒非共振加热机理两方面对这种急剧的温度分布作了定性和定量的解释。分析表明,如果从色球层向过渡区连续注入高能质子束,通过等离子体波粒非线性相互作用,可以在窄层中出现急剧的温度分布。
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