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Related papers: Patchy Reconnection in the Solar Corona

200 papers

We present a 3D MHD simulation of two merging flux ropes exhibiting self-generated and self-sustaining turbulent reconnection (SGTR) that is fully 3D and fast. The exploration of SGTR is crucial for understanding the relationship between…

Solar and Stellar Astrophysics · Physics 2022-11-24 Raheem Beg , Alexander J. B. Russell , Gunnar Hornig

Solar flares are widely accepted to be powered by magnetic reconnection that involves complex dynamics in various scales. The flare supra-arcade and loop-top region, directly impacted by fast reconnection downflows, contains a wealth of…

Solar and Stellar Astrophysics · Physics 2025-05-27 Tingyu Gou , Katharine K. Reeves

We perform a high-resolution two-dimensional fully-kinetic numerical simulation of a turbulent plasma system with observation-driven conditions, in order to investigate the interplay between turbulence, magnetic reconnection, and particle…

By means of two- and three-dimensional particle-in-cell simulations, we investigate the process of driven magnetic reconnection at the termination shock of relativistic striped flows. In pulsar winds and in magnetar-powered relativistic…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Lorenzo Sironi , Anatoly Spitkovsky

We aim at investigating the formation of jet-like features in the lower solar atmosphere, e.g. chromosphere and transition region, as a result of magnetic reconnection. Magnetic reconnection as occurring at chromospheric and transition…

Solar and Stellar Astrophysics · Physics 2015-05-30 J. Y. Ding , M. S. Madjarska , J. G. Doyle , Q. M. Lu , K. Vanninathan , Z. Huang

Vortex motions are frequently observed on the solar photosphere. These motions may play a key role in the transport of energy and momentum from the lower atmosphere into the upper solar atmosphere, contributing to coronal heating. The lower…

Solar and Stellar Astrophysics · Physics 2018-05-02 B. Snow , V. Fedun , F. A. Gent , G. Verth , R. Erdélyi

Context: The strong electric fields associated with magnetic reconnection in solar flares are a plausible mechanism to accelerate populations of high energy, non-thermal particles. One such reconnection scenario occurs at a 3D magnetic null…

Solar and Stellar Astrophysics · Physics 2015-06-03 Adam J. Stanier , Philippa K. Browning , Silvia Dalla

Combined tearing-thermal evolution plays an important role in the disruption of current sheets, and formation of cool condensations within the solar atmosphere. However, this has received limited attention to date. We numerically explore a…

Solar and Stellar Astrophysics · Physics 2023-10-18 Samrat Sen , Jack Jenkins , Rony Keppens

Solar eruptive events such as coronal mass ejections and eruptive flares are frequently associated with the emergence of magnetic flux from the convection zone into the corona. We use three dimensional magnetohydrodynamic numerical…

Solar and Stellar Astrophysics · Physics 2022-07-27 James Leake , Mark Linton , Spiro Antiochos

Magnetic reconnection is an important physical process in various explosive phenomena in the universe. In the previous studies, it was found that fast re- connection takes place when the thickness of a current sheet becomes on the order of…

Solar and Stellar Astrophysics · Physics 2015-07-15 Satoshi Takeshige , Shinsuke Takasao , Kazunari Shibata

Interchange reconnection is thought to play an important role in determining the dynamics and material composition of the slow solar wind that originates from near coronal hole boundaries. To explore the implications of this process we…

Solar and Stellar Astrophysics · Physics 2022-07-20 Roger B. Scott , Stephen J. Bradshaw , Mark G. Linton

Magnetic reconnection between open and closed magnetic field in the corona is believed to play a crucial role in the corona/heliosphere coupling. At large scale, the exchange of open/closed connectivity is expected to occur in…

Solar and Stellar Astrophysics · Physics 2015-06-12 Sophie Masson , Patrick McCauley , Leon Golub , Katharine K. Reeves , Ed DeLuca

Fast reconnection in magnetically dominated plasmas is widely invoked in models of dissipation in pulsar winds, gamma-ray flares in the Crab nebula, and to explain the radio nanoshots of pulsars. When current sheets evolve reaching a…

High Energy Astrophysical Phenomena · Physics 2026-02-11 Vittoria Berta , Matteo Bugli , Andrea Mignone , Giancarlo Mattia , Luca Del Zanna , Stefano Truzzi

Recent numerical simulations of magnetic reconnection in two dimensions have shown that, when the resistivity is strongly localized, the reconnection region develops a Petschek-like structure, with the width of the inner diffusion region…

Astrophysics · Physics 2009-11-07 Dmitri A. Uzdensky

We present a detailed study of magnetic reconnection in a quasi-two-dimensional pulsed-power driven laboratory experiment. Oppositely directed magnetic fields $(B=3$ T), advected by supersonic, sub-Alfv\'enic carbon plasma flows…

We report the simultaneous extreme ultraviolet observation of magnetic reconnection inflow and outflow in a flare on 2010 August 18 observed by the Atmospheric Imaging Assembly on board the {\it Solar Dynamics Observatory}. We found that…

Solar and Stellar Astrophysics · Physics 2015-06-03 Shinsuke Takasao , Ayumi Asai , Hiroaki Isobe , Kazunari Shibata

Interchange reconnection is believed to play a significant role in the production of solar jets and solar wind. However, the dynamics of interchange reconnection in the low corona might be more complex than recognized before in higher…

Solar and Stellar Astrophysics · Physics 2026-01-28 Yadan Duan , Xiaoli Yan , Junchao Hong , Hechao Chen , Yuhang Gao , Zheng Sun , Zhenyong Hou , Jincheng Wang

Context. Three-dimensional (3D) reconnection is an important mechanism for efficiently releasing energy during astrophysical eruptive events, which is difficult to be quantitatively analyzed especially within turbulent plasmas. Aims. In…

Solar and Stellar Astrophysics · Physics 2024-03-28 Yulei Wang , Xin Cheng , Yang Guo , Jinhan Guo , Mingde Ding

We investigate electron acceleration resulting from 3D magnetic reconnection between an emerging, twisted magnetic flux rope and a pre-existing weak, open magnetic field. We first follow the rise of an unstable, twisted flux tube with a…

Solar and Stellar Astrophysics · Physics 2012-11-07 G. Baumann , Å. Nordlund

Twisted magnetic flux ropes are ubiquitous in space and laboratory plasmas, and the merging of such flux ropes through magnetic reconnection is an important mechanism for restructuring magnetic fields and releasing free magnetic energy. The…

Plasma Physics · Physics 2015-12-09 P. K. Browning , S. Cardnell , M. Evans , F. Arese Lucini , V. S. Lukin , K. G. McClements , A. Stanier