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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…

高能天体物理现象 · 物理学 2020-08-26 Fan Guo , Yi-Hsin Liu , Xiaocan Li , Hui Li , William Daughton , Patrick Kilian

Magnetic reconnection is invoked as one of the primary mechanisms to produce energetic particles. We employ large-scale three-dimensional (3D) particle-in-cell simulations of reconnection in magnetically-dominated ($\sigma=10$) pair plasmas…

高能天体物理现象 · 物理学 2021-12-15 Hao Zhang , Lorenzo Sironi , Dimitrios Giannios

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…

高能天体物理现象 · 物理学 2025-07-17 Lorenzo Sironi , Dmitri A. Uzdensky , Dimitrios Giannios

Magnetic reconnection, especially in the relativistic regime, provides an efficient mechanism for accelerating relativistic particles and thus offers an attractive physical explanation for nonthermal high-energy emission from various…

高能天体物理现象 · 物理学 2022-07-15 Dmitri A. Uzdensky

In magnetized astrophysical outflows, the dissipation of field energy into particle energy via magnetic reconnection is often invoked to explain the observed non-thermal signatures. By means of two- and three-dimensional particle-in-cell…

高能天体物理现象 · 物理学 2015-06-18 Lorenzo Sironi , Anatoly Spitkovsky

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…

高能天体物理现象 · 物理学 2021-10-04 Fan Guo , Xiaocan Li , William Daughton , Hui Li , Patrick Kilian , Yi-Hsin Liu , Qile Zhang , Haocheng Zhang

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…

高能天体物理现象 · 物理学 2024-04-23 Fan Guo , Yi-Hsin Liu , Seiji Zenitani , Masahiro Hoshino

Magnetic reconnection is a primary driver of particle acceleration processes in space and astrophysical plasmas. Understanding how particles are accelerated and the resulting particle energy spectra is among the central topics in…

等离子体物理 · 物理学 2021-06-16 Xiaocan Li , Fan Guo , Yi-Hsin Liu

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.,…

高能天体物理现象 · 物理学 2014-11-05 Mickaël Melzani , Rolf Walder , Doris Folini , Christophe Winisdoerffer , Jean M. Favre

Using fully kinetic simulations, we demonstrate that magnetic reconnection in relativistic plasmas is highly efficient at accelerating particles through a first-order Fermi process resulting from the curvature drift of particles in the…

高能天体物理现象 · 物理学 2014-10-16 Fan Guo , Hui Li , William Daughton , Yi-Hsin Liu

Magnetic reconnection is a leading mechanism for dissipating magnetic energy and accelerating nonthermal particles in Poynting-flux dominated flows. In this letter, we investigate nonthermal particle acceleration during magnetic…

高能天体物理现象 · 物理学 2016-02-17 Fan Guo , Xiaocan Li , Hui Li , William Daughton , Bing Zhang , Nicole Lloyd-Ronning , Yi-Hsin Liu , Haocheng Zhang , Wei Deng

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…

等离子体物理 · 物理学 2018-05-09 Longqing Yi , Baifei Shen , Alexander Pukhov , Tünde Fülöp

The past decade has seen an outstanding development of nonthermal particle acceleration in magnetic reconnection in magnetically-dominated systems, with clear signatures of power-law energy distributions as a common outcome of…

高能天体物理现象 · 物理学 2023-09-11 Xiaocan Li , Fan Guo , Yi-Hsin Liu , Hui Li

Magnetic reconnection is invoked as an efficient particle accelerator in a variety of astrophysical sources of non-thermal high-energy radiation. With large-scale two-dimensional particle-in-cell simulations of relativistic reconnection…

高能天体物理现象 · 物理学 2018-10-17 Maria Petropoulou , Lorenzo Sironi

Magnetic reconnection in relativistic collisionless plasmas can accelerate particles and power high-energy emission in various astrophysical systems. Whereas most previous studies focused on relativistic reconnection in pair plasmas, less…

高能天体物理现象 · 物理学 2017-12-27 G. R. Werner , D. A. Uzdensky , M. C. Begelman , B. Cerutti , K. Nalewajko

In solar flares and other astrophysical systems, a major challenge for solving particle acceleration problem associated with magnetic reconnection is the enormous scale separation between kinetic scales and observed reconnection scale.…

太阳与恒星天体物理 · 物理学 2018-10-08 Xiaocan Li , Fan Guo , Hui Li , Shengtai Li

Magnetic reconnection is a fundamental plasma process that is thought to play a key role in the production of nonthermal particles associated with explosive phenomena in space physics and astrophysics. Experiments at high-energy-density…

等离子体物理 · 物理学 2020-12-07 Samuel Totorica , Masahiro Hoshino , Tom Abel , Frederico Fiuza

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, a plasma process converting magnetic energy to particle kinetic energy, is often invoked to explain magnetic energy releases powering high-energy flares in astrophysical sources including pulsar wind nebulae and black…

高能天体物理现象 · 物理学 2021-12-17 Gregory R. Werner , Dmitri A. Uzdensky

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…

高能天体物理现象 · 物理学 2015-06-23 Daniel Kagan , Lorenzo Sironi , Benoit Cerutti , Dimitrios Giannios
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