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Magnetic reconnection -- a fundamental plasma physics process, where magnetic field lines of opposite polarity annihilate -- is invoked in astrophysical plasmas as a powerful mechanism of nonthermal particle acceleration, able to explain…

High Energy Astrophysical Phenomena · Physics 2025-07-17 Lorenzo Sironi , Dmitri A. Uzdensky , Dimitrios Giannios

Magnetic reconnection is a ubiquitous plasma phenomenon that plays a critical role in particle heating and energization. During reconnection, the topology of magnetic field rearranges, depositing energy into the surrounding plasma through…

Magnetic reconnection is a fundamental plasma process associated with conversion of the embedded magnetic field energy into kinetic and thermal plasma energy, via bulk acceleration and Ohmic dissipation. In many high-energy astrophysical…

Plasma Physics · Physics 2018-05-09 Longqing Yi , Baifei Shen , Alexander Pukhov , Tünde Fülöp

Magnetic reconnection is thought to be the driver for many explosive phenomena in the universe. The energy release and particle acceleration during reconnection have been proposed as a mechanism for producing high-energy emissions and…

High Energy Astrophysical Phenomena · Physics 2015-04-10 Fan Guo , Yi-Hsin Liu , William Daughton , Hui Li

Magnetic reconnection is a ubiquitous plasma process that transforms magnetic energy into particle energy during eruptive events throughout the universe. Reconnection not only converts energy during solar flares and geomagnetic substorms…

Magnetic reconnection is a fundamental plasma process involving an exchange of magnetic energy to plasma kinetic energy through changes in the magnetic field topology. In many astrophysical plasmas magnetic reconnection plays a key role in…

Magnetic reconnection in strongly magnetized astrophysical plasma environments is believed to be the primary process for fast energy release and particle energization. Currently there is strong interest in relativistic magnetic…

High Energy Astrophysical Phenomena · Physics 2020-08-26 Fan Guo , Yi-Hsin Liu , Xiaocan Li , Hui Li , William Daughton , Patrick Kilian

Magnetic reconnection is a basic plasma process of dramatic rearrangement of magnetic topology, often leading to a violent release of magnetic energy. It is important in magnetic fusion and in space and solar physics --- areas that have so…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Dmitri A. Uzdensky

Magnetic reconnection, a fundamental plasma process associated with a rapid dissipation of magnetic energy, is believed to power many disruptive phenomena in laboratory plasma devices, the Earth magnetosphere, and the solar corona.…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Dmitri A. Uzdensky , Jonathan C. McKinney

This review discusses the physics of magnetic reconnection, a process in which the magnetic field topology changes and magnetic energy is converted to kinetic energy, in pair plasmas in the relativistic regime. We focus on recent progress…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Daniel Kagan , Lorenzo Sironi , Benoit Cerutti , Dimitrios Giannios

Magnetic reconnection is a leading mechanism for magnetic energy conversion and high-energy non-thermal particle production in a variety of high-energy astrophysical objects, including ones with relativistic ion-electron plasmas (e.g.,…

High Energy Astrophysical Phenomena · Physics 2014-11-05 Mickaël Melzani , Rolf Walder , Doris Folini , Christophe Winisdoerffer , Jean M. Favre

Magnetic reconnection occurs ubiquitously in the universe and is often invoked to explain fast energy release and particle acceleration in high-energy astrophysics. The study of relativistic magnetic reconnection in the magnetically…

High Energy Astrophysical Phenomena · Physics 2024-04-23 Fan Guo , Yi-Hsin Liu , Seiji Zenitani , Masahiro Hoshino

Magnetic reconnection is a ubiquitous process in astrophysical plasmas, responsible for the explosive conversion of magnetic energy into thermal and kinetic energy. In extreme astrophysical systems, such as black hole coronae and neutron…

Plasma Physics · Physics 2024-10-15 Rishabh Datta

I review a new rapidly growing area of high-energy plasma astrophysics --- radiative magnetic reconnection, i.e., a reconnection regime where radiation reaction influences reconnection dynamics, energetics, and nonthermal particle…

High Energy Astrophysical Phenomena · Physics 2016-03-09 Dmitri A. Uzdensky

Cosmic sources of gamma-ray radiation in the GeV range are often characterized by violent variability, in particular this concerns blazars, gamma-ray bursts, and the pulsar wind nebula Crab. Such gamma-ray emission requires a very efficient…

High Energy Astrophysical Phenomena · Physics 2018-08-03 Krzysztof Nalewajko

Magnetic reconnection is a fundamental plasma process that plays a critical role not only in energy release in the solar atmosphere, but also in fusion, astrophysical, and other space plasma environments. One of the challenges in explaining…

Solar and Stellar Astrophysics · Physics 2020-10-14 L. -J. Guo , B. De Pontieu , Y. -M. Huang , H. Peter , A. Bhattacharjee

Reconnection and turbulence are two of the most commonly observed dynamical processes in plasmas, but their relationship is still not fully understood. Using 2.5D kinetic particle-in-cell simulations of both strong turbulence and…

Magnetic reconnection is a fundamental process in a plasma that facilitates the release of energy stored in the magnetic field by permitting a change in the magnetic topology. In this article we present a review of the current state of…

Solar and Stellar Astrophysics · Physics 2012-07-04 D. I. Pontin

Magnetic reconnection is the most likely mechanism responsible for the high temperature events that are observed in strongly magnetized locations around the temperature minimum in the low solar chromosphere. This work improves upon our…

Solar and Stellar Astrophysics · Physics 2018-10-26 Lei Ni , Vyacheslav S. Lukin , Nicholas A. Murphy , Jun Lin

Magnetic reconnection has been intensively studied in fully ionized plasmas. However, plasmas are often partially ionized in astrophysical environments. The interactions between the neutral particles and ionized plasmas might strongly…

Plasma Physics · Physics 2020-03-31 Lei Ni , Hantao Ji , Nicholas A. Murphy , Jonathan Jara-Almonte
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