Zobrazeno 1 - 10 of 519 pro vyhledávání: '"K. J. Hwang"'
1
Akademický článek
Direct observations of anomalous resistivity and diffusion in collisionless plasma
Autor: D. B. Graham, Yu. V. Khotyaintsev, M. André, A. Vaivads, A. Divin, J. F. Drake, C. Norgren, O. Le Contel, P.-A. Lindqvist, A. C. Rager, D. J. Gershman, C. T. Russell, J. L. Burch, K.-J. Hwang, K. Dokgo
Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
It is suggested that waves can provide both diffusion and resistivity that can potentially support the reconnection electric field in low-density astrophysical plasmas. Here, the authors show, using direct spacecraft measurements, that the waves cont
Externí odkaz: https://doaj.org/article/035c61fc00684615bd84886f172aaac5
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2
Akademický článek
Kelvin-Helmholtz Vortices as an Interplay of Magnetosphere-Ionosphere Coupling
Autor: K.-J. Hwang, J. M. Weygand, D. G. Sibeck, J. L. Burch, M. L. Goldstein, C. P. Escoubet, E. Choi, K. Dokgo, B. L. Giles, C. J. Pollock, D. J. Gershman, C. T. Russell, R. J. Strangeway, R. B. Torbert
Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 9 (2022)
The solar wind-magnetosphere interaction drives diverse physical processes on the flanks of Earth’s magnetopause, and in turn these processes couple to the ionosphere. We investigate simultaneous multipoint in-situ spacecraft and ground-based measu
Externí odkaz: https://doaj.org/article/bb5c8e000c9b4d78adb7c2f0bee1ea50
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3
Akademický článek
Bifurcated Current Sheet Observed on the Boundary of Kelvin-Helmholtz Vortices
Autor: K-J. Hwang, K. Dokgo, E. Choi, J. L. Burch, D. G. Sibeck, B. L. Giles, C. Norgren, T. K. M. Nakamura, D. B. Graham, Y. Khotyaintsev, Q. Q. Shi, D. J. Gershman, C. J. Pollock, R. E. Ergun, R. B. Torbert, C. T. Russell, R. J. Strangeway
Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 8 (2021)
On May 5, 2017 MMS observed a bifurcated current sheet at the boundary of Kelvin-Helmholtz vortices (KHVs) developed on the dawnside tailward magnetopause. We use the event to enhance our understanding of the formation and structure of asymmetric cur
Externí odkaz: https://doaj.org/article/5c38dee24eaf41a4935ec566bbfd45d5
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4
Akademický článek
Data mining for vortices on the Earth's magnetosphere – algorithm application for detection and analysis
Autor: Y. M. Collado-Vega, V. L. Kalb, D. G. Sibeck, K.-J. Hwang, L. Rastätter
Publikováno v: Annales Geophysicae, Vol 36, Pp 1117-1129 (2018)
Unsteady processes in the solar wind–magnetosphere interaction, such as vortices developed at the magnetopause boundary by the Kelvin–Helmholtz instability, may contribute to the process of mass, momentum and energy transfer into the Earth's m
Externí odkaz: https://doaj.org/article/64a4805754bb40f1a8cdaa9ea2664744
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5
Akademický článek
Cluster and MMS Simultaneous Observations of Magnetosheath High Speed Jets and Their Impact on the Magnetopause
Autor: C. Philippe Escoubet, K.-J. Hwang, S. Toledo-Redondo, L. Turc, S. E. Haaland, N. Aunai, J. Dargent, Jonathan P. Eastwood, R. C. Fear, H. Fu, K. J. Genestreti, Daniel B. Graham, Yu V. Khotyaintsev, G. Lapenta, Benoit Lavraud, C. Norgren, D. G. Sibeck, A. Varsani, J. Berchem, A. P. Dimmock, G. Paschmann, M. Dunlop, Y. V. Bogdanova, Owen Roberts, H. Laakso, Arnaud Masson, M. G. G. T. Taylor, P. Kajdič, C. Carr, I. Dandouras, A. Fazakerley, R. Nakamura, Jim L. Burch, B. L. Giles, C. Pollock, C. T. Russell, R. B. Torbert
Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 6 (2020)
When the supersonic solar wind encounters the Earth's magnetosphere a shock, called bow shock, is formed and the plasma is decelerated and thermalized in the magnetosheath downstream from the shock. Sometimes, however, due to discontinuities in the s
Externí odkaz: https://doaj.org/article/b6152321939f425a81b2eb8cfee4636e
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6
Akademický článek
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8
Akademický článek
Van Allen Probe observations of drift-bounce resonances with Pc 4 pulsations and wave–particle interactions in the pre-midnight inner magnetosphere
Autor: G. I. Korotova, D. G. Sibeck, K. Tahakashi, L. Dai, H. E. Spence, C. A. Kletzing, J. R. Wygant, J. W. Manweiler, P. S. Moya, K.-J. Hwang, R. J. Redmon
Publikováno v: Annales Geophysicae, Vol 33, Pp 955-964 (2015)
We present Van Allen Probe B observations of azimuthally limited, antisymmetric, poloidal Pc 4 electric and magnetic field pulsations in the pre-midnight sector of the magnetosphere from 05:40 to 06:00 UT on 1 May 2013. Oscillation periods were si
Externí odkaz: https://doaj.org/article/34640cef4b3a4e85a46389ff185360a7
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