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Whistler and Broadb...
Whistler and Broadband Electrostatic Waves in the Multiple X-Line Reconnection at the Magnetopause
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- Zhong, Z. H. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,Nanchang Univ, Nanchang, Jiangxi, Peoples R China.
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- Graham, Daniel B. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Khotyaintsev, Yuri V. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Zhou, M. (författare)
- Nanchang Univ, Nanchang, Jiangxi, Peoples R China.
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- Le Contel, O. (författare)
- Univ Paris Saclay, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.
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- Tang, R. X. (författare)
- Nanchang Univ, Nanchang, Jiangxi, Peoples R China.
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- Deng, X. H. (författare)
- Nanchang Univ, Nanchang, Jiangxi, Peoples R China.
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(creator_code:org_t)
- American Geophysical Union (AGU), 2021
- 2021
- Engelska.
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Ingår i: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 48:4
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We investigate whistler-mode waves and broadband electrostatic waves (EWs) within an ion diffusion region (IDR) at the magnetopause. The quasi-parallel whistlers are observed in the separatrix regions associated with the electron anisotropy or loss cone, while the oblique whistlers, the Buneman-type waves, and the oblique EWs are observed in the center of the current sheet associated with the accelerated electron or ion beams. The whistlers are linked with Buneman-type waves by the electron Pacman distribution rather than the wave-wave process. The accelerated cold electron beams excite the Buneman-type instabilities and make the anisotropy or loss cone of hot electrons less apparent, which led to the conversion of the whistlers from quasi-parallel to oblique. Additionally, the oblique EWs are associated with the ion beams produced by the multiple X-line reconnection. These results provide a further understanding of the relation between plasma waves and plasma kinetics in the IDR.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- broadband electrostatic waves
- ion diffusion region
- whistler waves
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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