English
Related papers

Related papers: Three-dimensional oscillatory magnetic reconnectio…

200 papers

Magnetic reconnection and Magnetohydrodynamic (MHD) waves may well be both playing a role in coronal heating. In this paper, we simulate reconnection in the corona as a response to the convergence of opposite-polarity magnetic sources at…

Solar and Stellar Astrophysics · Physics 2025-07-15 Sripan Mondal , A. K. Srivastava , David I. Pontin , Eric R. Priest

We performed numerical simulations of general relativistic magnetohydrodynamics with uniform resistivity to investigatethe occurrence of magnetic reconnection in a split-monopole magnetic field around a Schwarzschild black hole. We found…

High Energy Astrophysical Phenomena · Physics 2019-10-09 Mika Inda-Koide , Shinji Koide , Ryogo Morino

Recent observations of fast and bursty ``nanojets'' suggest novel diagnostics of nanoflare heating in the solar corona. The aim of this work is to investigate the presence and properties of reconnection outflows, similar to observed…

Solar and Stellar Astrophysics · Physics 2025-11-13 Gabriele Cozzo , Paola Testa , Juan Martinez-Sykora , Paolo Pagano , Fabio Reale , Franco Rappazzo , Viggo Hansteen , Bart De Pontieu

3D Magnetohydrodynamic (MHD) resistive simulations have highlighted the significance of ubiquitous turbulence to drive fast reconnection. It has been demonstrated that particle acceleration via reconnection in 3D magnetized flows, where…

High Energy Astrophysical Phenomena · Physics 2025-04-08 E. M. de Gouveia Dal Pino , J. C. Ramirez-Rodriguez , T. Medina-Torrejon , G. H. Vicentin , L. Passos Reis

The structure of magnetic reconnection-driven outflows and their dissipation are explored with large-scale, 3-D particle-in-cell (PIC) simulations. Outflow jets resulting from 3-D reconnection with a finite length x-line form fronts as they…

Plasma Physics · Physics 2015-06-18 J. F. Drake , M. Swisdak , P. A. Cassak , T. D. Phan

Given recent observational results of interchange reconnection processes in the solar corona and the theoretical development of the S-Web model for the slow solar wind, we extend the analysis of the 3D MHD simulation of interchange…

Solar and Stellar Astrophysics · Physics 2014-04-01 B. J. Lynch , J. K. Edmondson , Y. Li

We present the results of numerical simulations of wave-induced magnetic reconnection in a model of the solar atmosphere. In the magnetic field geometry we study in this article, the waves, driven by a monochromatic piston and a driver…

Solar and Stellar Astrophysics · Physics 2009-08-11 L. Heggland , B. De Pontieu , V. H. Hansteen

Short gamma-ray bursts originate when relativistic jets emerge from the remnants of binary neutron star mergers. Both the jet and the remnant are believed to be strongly magnetized, and the presence of magnetic fields is known to influence…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Giancarlo Mattia , Luca Del Zanna , Andrea Pavan , Riccardo Ciolfi

Oscillatory reconnection is a relaxation process in magnetised plasma, with an inherent periodicity that is exclusively dependent on the properties of the background plasma. This study focuses on the seismological prospects of oscillatory…

Solar and Stellar Astrophysics · Physics 2023-02-08 Konstantinos Karampelas , James A. McLaughlin , Gert J. J. Botha , Stéphane Régnier

Fast Magnetic Reconnection is currently regarded as an important process also beyond the solar system, specially in magnetically dominated regions of galactic and extragalactic sources like the surrounds of black holes and relativistic…

The magnetohydrodynamics of active region NOAA 11283 is simulated using an initial non-force-free magnetic field extrapolated from its photospheric vector magnetogram. We focus on the magnetic reconnections at a magnetic null point that…

Solar and Stellar Astrophysics · Physics 2020-11-11 Avijeet Prasad , Karin Dissauer , Qiang Hu , R. Bhattacharyya , Astrid M. Veronig , Sanjay Kumar , Bhuwan Joshi

In strongly magnetized astrophysical plasma systems, magnetic reconnection is believed to be a primary process during which explosive energy release and particle acceleration occur, leading to significant high-energy emission. Past years…

High Energy Astrophysical Phenomena · Physics 2021-10-04 Fan Guo , Xiaocan Li , William Daughton , Hui Li , Patrick Kilian , Yi-Hsin Liu , Qile Zhang , Haocheng Zhang

Magnetic reconnection is the key to explosive phenomena in the universe. The flux rope is crucial in three-dimensional magnetic reconnection theory and are commonly considered to be generated by secondary tearing mode instability. Here we…

While theoretical models and simulations of magnetic reconnection often assume symmetry such that the magnetic null point when present is co-located with a flow stagnation point, the introduction of asymmetry typically leads to non-ideal…

Plasma Physics · Physics 2015-09-22 Nicholas A. Murphy , Clare E. Parnell , Andrew L. Haynes

Magnetic reconnection, the rearrangement of magnetic field topology, is a fundamental physical process in magnetized plasma systems all over the universe1,2. Its process is difficult to be directly observed. Coronal structures, such as…

Solar and Stellar Astrophysics · Physics 2016-09-21 Leping Li , Jun Zhang , Hardi Peter , Eric Priest , Huadong Chen , Lijia Guo , Feng Chen , Duncan Mackay

Data from the NASA Magnetospheric Multiscale (MMS) mission are used to investigate asymmetric magnetic reconnection at the dayside boundary between the Earth's magnetosphere and the solar wind (the magnetopause). High-resolution…

Magnetic switchbacks are localised polarity reversals in the radial component of the heliospheric magnetic field. Observations from Parker Solar Probe (PSP) have shown that they are a prevalent feature of the near-Sun solar wind. However,…

Space Physics · Physics 2023-07-19 G. H. H. Suen , C. J. Owen , D. Verscharen , T. S. Horbury , P. Louarn , R. De Marco

Particle acceleration by magnetic reconnection is now recognized as an important process in magnetically dominated regions of galactic and extragalactic black hole sources. This process helps to solve current puzzles specially related to…

We present 3D general relativistic magnetohydrodynamic(GRMHD) simulations of zero angular momentum accretion around a rapidly rotating black hole, modified by the presence of initially uniform magnetic fields. We consider serveral angles…

High Energy Astrophysical Phenomena · Physics 2021-02-17 Sean M. Ressler , Eliot Quataert , Christopher J. White , Omer Blaes

Transverse oscillatory motions and recurrence behavior in the chromospheric jets observed by Hinode/SOT are studied. A comparison is considered with the behavior that was noticed in coronal X-ray jets observed by Hinode/XRT. A jet like…

Solar and Stellar Astrophysics · Physics 2023-08-15 Ehsan Tavabi , Serge Koutchmy