The Existence of Intermediate Waves in Neutral Sheets

Petschek, H. E.; Thorne, R. M.

doi:10.1086/149105

Cited by 112 publications

(62 citation statements)

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“…Early studies concentrated on structures at the largest scales, namely the structure of shocks that border the outflow jet (Levy et al 1964). It was argued that slow shocks bound the exhaust in symmetric reconnection (Petschek 1964), and many studies addressed how asymmetries affect the shock structure (Petschek and Thorne 1967;Sonnerup 1974;Semenov et al 1983;Heyn et al 1988). Recent studies have found that kinetic effects alter the simple Petschek slow shock picture from fluid theory for symmetric reconnection (Karimabadi et al 1995;Liu et al 2011).…”

Section: Studying Asymmetric Magnetic Reconnection At Earth's Magnetomentioning

confidence: 99%

Theory and Modeling for the Magnetospheric Multiscale Mission

et al. 2014

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The Magnetospheric Multiscale (MMS) mission will provide measurement capabilities, which will exceed those of earlier and even contemporary missions by orders of magnitude. MMS will, for the first time, be able to measure directly and with sufficient resolution key features of the magnetic reconnection process, down to the critical electron scales, which need to be resolved to understand how reconnection works. Owing to the com- plexity and extremely high spatial resolution required, no prior measurements exist, which could be employed to guide the definition of measurement requirements, and consequently set essential parameters for mission planning and execution. Insight into expected details of the reconnection process could hence only been obtained from theory and modern kinetic modeling. This situation was recognized early on by MMS leadership, which supported the formation of a fully integrated Theory and Modeling Team (TMT). The TMT participated in all aspects of mission planning, from the proposal stage to individual aspects of instrument performance characteristics. It provided and continues to provide to the mission the latest insights regarding the kinetic physics of magnetic reconnection, as well as associated particle acceleration and turbulence, assuring that, to the best of modern knowledge, the mission is prepared to resolve the inner workings of the magnetic reconnection process. The present paper provides a summary of key recent results or reconnection research by TMT members.

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Section: Studying Asymmetric Magnetic Reconnection At Earth's Magnetomentioning

confidence: 99%

Theory and Modeling for the Magnetospheric Multiscale Mission

et al. 2014

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“…4. The geometry of the system is similar to Ugai and Tsuda (1977) (Petschek, 1964;Petschek and Thorne, 1967;Sonnerup, 1970) in which we have a symmetric system at both x = 0 and z = 0, with an imposed constant inflow z-velocity U z,o and magnetic field B o at z = L z . We have outgoing conditions at x = L x .…”

Section: Modelingmentioning

confidence: 99%

The magnetosphere as a complex system

Valdivia

Rogan

Muñoz

et al. 2005

Advances in Space Research

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The magnetosphere is a complex system, with multi-scale spatio-temporal behavior. Self-organization is a possible solution to two seemingly contradicting observations: (a) the repeatable and coherent substorm phenomena, and, (b) the underlying selfsimilar turbulent behavior in the plasma sheet. Such states, are seen to emerge naturally in a plasma physics model with sporadic dissipation, through spatio-temporal chaos.

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“…Our research work with the SG-II laser facility in 2010 carried on the experimental design philosophy, trying to consummate the laboratory investigation of the physics behind the solar flares. with the short diffusion region ending at the crossing point of the SMSs (see Figure 3(d)) [31] . The X-ray image of the diffusion region recorded with one X-ray pinhole camera also presents the SMS fronts and the X-ray emission enhancement at the middle of the two laser foci (not shown here).…”

Section: Morphology Comparisonsmentioning

confidence: 99%

Anomalous-plasmoid-ejection-induced secondary magnetic reconnection: modeling solar flares and coronal mass ejections by laser–plasma experiments

Dong

Yuan

Wang

et al. 2013

High Pow Laser Sci Eng

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The driving mechanism of solar flares and coronal mass ejections is a topic of ongoing debate, apart from the consensus that magnetic reconnection plays a key role during the impulsive process. While present solar research mostly depends on observations and theoretical models, laboratory experiments based on high-energy density facilities provide the third method for quantitatively comparing astrophysical observations and models with data achieved in experimental settings. In this article, we show laboratory modeling of solar flares and coronal mass ejections by constructing the magnetic reconnection system with two mutually approaching laser-produced plasmas circumfused of self-generated megagauss magnetic fields. Due to the Euler similarity between the laboratory and solar plasma systems, the present experiments demonstrate the morphological reproduction of flares and coronal mass ejections in solar observations in a scaled sense, and confirm the theory and model predictions about the current-sheet-born anomalous plasmoid as the initial stage of coronal mass ejections, and the behavior of moving-away plasmoid stretching the primary reconnected field lines into a secondary current sheet conjoined with two bright ridges identified as solar flares.

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The Existence of Intermediate Waves in Neutral Sheets

Cited by 112 publications

References 0 publications

Theory and Modeling for the Magnetospheric Multiscale Mission

Theory and Modeling for the Magnetospheric Multiscale Mission

The magnetosphere as a complex system

Anomalous-plasmoid-ejection-induced secondary magnetic reconnection: modeling solar flares and coronal mass ejections by laser–plasma experiments

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