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Related papers: Three-dimensional Turbulent Reconnection within So…

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Magnetic reconnection has been observed in the transition region of quasi-parallel shocks. In this work, the particle-in-cell method is used to simulate three-dimensional reconnection in a quasi-parallel shock. The shock transition region…

Space Physics · Physics 2022-09-07 J. Ng , L. -J. Chen , N. Bessho , J. Shuster , B. Burkholder , J. Yoo

A standard model for eruptive flares aims at describing observational 3D features of the reconnecting coronal magnetic field. Extensions to the 2D model require the physical understanding of 3D reconnection processes at the origin of the…

Solar and Stellar Astrophysics · Physics 2015-06-16 Miho Janvier , Guillaume Aulanier , Etienne Pariat , Pascal Demoulin

In this review many of the well known tools for the analysis of Complex systems are used in order to study the global coupling of the turbulent convection zone with the solar atmosphere where the magnetic energy is dissipated explosively.…

Solar and Stellar Astrophysics · Physics 2016-11-03 Loukas Vlahos , Heinz Isliker

Here we detail the dynamic evolution of localised reconnection regions about three-dimensional (3D) magnetic null points by using numerical simulation. We demonstrate for the first time that reconnection triggered by the localised collapse…

Solar and Stellar Astrophysics · Physics 2017-07-26 J. O. Thurgood , D. I. Pontin , J. A. McLaughlin

The diffusion of astrophysical magnetic fields in conducting fluids in the presence of turbulence depends on whether magnetic fields can change their topology via reconnection in highly conducting media. Recent progress in understanding…

Astrophysics of Galaxies · Physics 2012-12-17 R. Santos-Lima , A. Lazarian , E. M. de Gouveia Dal Pino , J. Cho

We report evolution of an atypical X-shaped flare ribbon which provides novel observational evidence of three-dimensional (3D) magnetic reconnection at a separator. The flare occurred on 2014 November 9. High-resolution slit-jaw 1330 A…

Solar and Stellar Astrophysics · Physics 2016-05-25 Y. Li , J. Qiu , D. W. Longcope , M. D. Ding , K. Yang

In flare-relevant current sheets, tearing instability may trigger explosive reconnection and plasmoid formation. We explore how the thermal and tearing modes reinforce each other in the fragmentation of a current sheet in the solar corona…

Solar and Stellar Astrophysics · Physics 2022-10-05 Samrat Sen , Rony Keppens

Coronal mass ejections (CMEs) are powerful drivers of space weather, with magnetic flux ropes (MFRs) widely regarded as their primary precursors. However, the variation in reconnection flux during the evolution of MFR during CME eruptions…

Solar and Stellar Astrophysics · Physics 2026-04-16 Samriddhi Sankar Maity , Piyali Chatterjee , Ranadeep Sarkar , Ijas S. Mytheen

Astrophysical plasmas have the remarkable ability to preserve magnetic topology, which inevitably gives rise to the accumulation of magnetic energy within stressed regions including current sheets. This stored energy is often released…

Plasma Physics · Physics 2022-02-21 Hantao Ji , William Daughton , Jonathan Jara-Almonte , Ari Le , Adam Stanier , Jongsoo Yoo

Gradual crustal deformation can generate strongly twisted magnetic fields around magnetars, potentially triggering giant flares with total energies exceeding $10^{44}\,\mathrm{erg}$. In this Letter, we present the first relativistic…

High Energy Astrophysical Phenomena · Physics 2026-02-23 Koushik Chatterjee , Alexander Philippov , Andrei M. Beloborodov , Kyle Parfrey , Bart Ripperda , Elias R. Most

In this paper, the temporal evolution of 3-dimensional relativistic current sheets in Poynting-dominated plasma is studied for the first time. Over the past few decades, a lot of efforts have been conducted on studying the evolution of…

High Energy Astrophysical Phenomena · Physics 2018-03-14 Makoto Takamoto

Petschek-type time-dependent reconnection (TDR) and quasi-stationary reconnection (QSR) models are considered to understand reconnection outflow structures and the features of the associated locally generated turbulence in the solar wind.…

Space Physics · Physics 2014-12-01 Z. Vörös , Y. L. Sasunov , V. S. Semenov , T. V. Zaqarashvili , R. Bruno , M. Khodachenko

We clarify a relationship of the dynamics of a solar flare and a growing Coronal Mass Ejection (CME) by investigating the dynamics of magnetic fields during the X2.2-class flare taking place in the solar active region 11158 on 2011 February…

Solar and Stellar Astrophysics · Physics 2015-06-23 S. Inoue , K. Hayashi , T. Magara , G. S. Choe , Y. D. Park

Magnetic reconnection in naturally occurring and laboratory settings often begins locally and elongates, or spreads, in the direction perpendicular to the plane of reconnection. Previous work has largely focused on current sheets with a…

Plasma Physics · Physics 2023-04-05 Milton Arencibia , P. A. Cassak , M. A. Shay , Jiong Qiu , Steven M. Petrinec , Haoming Liang

Magnetic field fluctuations in MHD turbulence can be viewed as current sheets that are progressively more anisotropic at smaller scales. As suggested by Loureiro & Boldyrev (2017) and Mallet et al (2017), below a certain critical thickness…

Plasma Physics · Physics 2017-08-09 Stanislav Boldyrev , Nuno F. Loureiro

Impulsive solar energetic particle events are widely believed to be due to the prompt escape into the interplanetary medium of flare-accelerated particles produced by solar eruptive events. According to the standard model for such events,…

Solar and Stellar Astrophysics · Physics 2019-11-06 S. Masson , S. K. Antiochos , C. R. DeVore

It has been established that the Sweet-Parker current layer in high Lundquist number reconnection is unstable to the super-Alfv\'enic plasmoid instability. Past two-dimensional magnetohydrodynamic simulations have demonstrated that the…

Plasma Physics · Physics 2016-02-17 Yi-Min Huang , A. Bhattacharjee

Collisionless space plasma turbulence can generate reconnecting thin current sheets as suggested by recent results of numerical magnetohydrodynamic simulations. The MMS mission provides the first serious opportunity to check if small…

Global magnetic field extrapolations are now revealing the huge complexity of the Sun's corona, and in particular the structure of the boundary between open and closed magnetic flux. Moreover, recent developments indicate that magnetic…

Solar and Stellar Astrophysics · Physics 2015-05-27 D. I. Pontin , P. F. Wyper

The magnetic field in many astrophysical plasmas -- such as the Solar corona and Earth's magnetosphere -- has been shown to have a highly complex, three-dimensional structure. Recent advances in theory and computational simulations have…

Solar and Stellar Astrophysics · Physics 2015-05-20 D. I. Pontin