NEW DAMPING MECHANISM FOR CORONAL LOOP KINK OSCILLATION

机译：冠状环扭摆的新阻尼机制

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We propose a new damping mechanism for the coro- nal loop kink oscillation. We show that the periodic shearing motion near the fixed footpoints of the coro- nal loop, oscillating in the global kink mode, is unsta- ble and leads to the resonant generation of slowmag- netosonic waves when the system tries to smooth out the spatial inhomogeneity of the motion. Therefore, the kink oscillation transfers its energy into many harmonics of slow magnetosonic waves propagating with dierent angles about the loop axis and con- sequently it can be quickly damped, as observed by TRACE. The mechanism can be tested by the obser- vation of slow magnetosonic waves at the loop foot- points during and/or after the damping of kink os- cillations.

机译：我们提出了一种新的阻尼机制，用于基本环路扭结振荡。我们表明，在整体扭结模式下振荡的，在冠状环路固定脚点附近的周期性剪切运动是不稳定的，当系统试图平滑空间不均匀性时会导致产生慢磁声波的共振。议案。因此，扭结振荡将其能量转换为慢磁声波的许多谐波，这些谐波以绕环路轴的不同角度传播，因此可以迅速衰减，如TRACE所观察到的。可以通过在扭结振荡衰减期间和/或之后在环路脚点观察慢磁声波来测试该机制。

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来源
《SOHO 13 - waves, oscillations and small-scale transients events in the solar atmosphere: a joint view from SOHO and TRACE》|2003年|p.1-4|共4页
会议地点 Palma de Mallorca(ES)
作者
T.V. Zaqarashvili; R. Oliver; J.L. Ballester;
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作者单位

Abastumani Astrophysical Observatory, Al. Kazbegi ave. 2a, 380060 Tbilisi, Georgia, E-mail:temuri@hubble.uib.es;

Departament de Fisica, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain,E-mail:ramon.oliver@uib.es, dfsjlb0@uib.es;

Departament de Fisica, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain,E-mail:ramon.oliver@uib.es, dfsjlb0@uib.es;

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原文格式 PDF
正文语种 eng
中图分类太阳物理学;
关键词
solar corona; MHD waves; wave damping;

机译：日冕MHD波；波浪阻尼;

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专利

1. DAMPING OF CORONAL LOOP OSCILLATIONS: CALCULATION OF RESONANTLY DAMPED KINK OSCILLATIONS OF ONE-DIMENSIONAL NONUNIFORM LOOPS [J] . T. VAN DOORSSELAERE, J. ANDRIES, S. POEDTS, The Astrophysical journal . 2004,第2aaParta1期

机译：冠状环振荡的阻尼：一维非均匀环的共振阻尼扭结振荡的计算
2. DAMPING OF CORONAL LOOP OSCILLATIONS: CALCULATION OF RESONANTLY DAMPED KINK OSCILLATIONS OF ONE-DIMENSIONAL NONUNIFORM LOOPS [J] . T. VAN DOORSSELAERE, J. ANDRIES, S. POEDTS, The Astrophysical journal . 2004,第2aPta1期

机译：冠状环振荡的阻尼：一维非均匀环的共振阻尼扭结振荡的计算
3. Resonant damping of kink oscillations of thin cooling and expanding coronal magnetic loops [J] . A. A. Shukhobodskiy, M. S. Ruderman, R. Erdélyi Astronomy and astrophysics . 2018,第1期

机译：薄冷却和日冕磁环的扭结振荡的共振阻尼
4. NEW DAMPING MECHANISM FOR CORONAL LOOP KINK OSCILLATION [C] . Conference SOHO 13 ‘waves, oscillations and small-scale transients events in the solar atmosphere: a joint view from SOHO and TRACE’ . 2004

机译：冠状环扭结振荡的新阻尼机制
5. Elucidating Mechanisms of Airway Inflammation Following Exposure to Indoor Pollutants Such as Toner Printer-Emitted Particles (TPEs): Damps, TLRs, and the Inflammatory Loop [D] . Chanetsa, Lucia. 2020

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6. Period Increase and Amplitude Distribution of Kink Oscillation of Coronal Loop [O] . W. Su, Y. Guo, R. Erdélyi, -1

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7. Spatiotemporal Analysis of Coronal Loops Using Seismology of Damped Kink Oscillations and Forward Modeling of EUV Intensity Profiles [O] . D. J. Pascoe, S. A. Anfinogentov, C. R. Goddard, 2018

机译：使用阻尼扭结振荡振荡冠状动物冠状动物的时尚分析及EUV强度谱的向前建模

NEW DAMPING MECHANISM FOR CORONAL LOOP KINK OSCILLATION

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