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Related papers: Energy exchanges in reconnection outflows

200 papers

Observations of gamma-ray-bursts and jets from active galactic nuclei reveal that the jet flow is characterized by a high radiative efficiency and that the dissipative mechanism must be a powerful accelerator of non-thermal particles.…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Lorenzo Sironi , Maria Petropoulou , Dimitrios Giannios

It is generally accepted that relativistic jet outflows power the nonthermal emission from active galactic nuclei (AGN). The composition of these jets -- leptonic versus hadronic -- is still under debate. We investigate the microphysical…

Astrophysics · Physics 2009-11-07 R. Schlickeiser , R. Vainio , M. Boettcher , I. Lerche , M. Pohl , C. Schuster

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

In this paper, we present the detailed analysis of recurrent homologous jets originating from an emerging negative magnetic flux at the edge of an Active Region. The observed jets show multi-thermal features. Their evolution shows high…

Solar and Stellar Astrophysics · Physics 2018-01-15 Jiajia Liu , Yuming Wang , Robertus Erdelyi , Rui Liu , Scott W. McIntosh , Tingyu Gou , Jun Chen , Kai Liu , Lijuan Liu , Zonghao Pan

We study the energy flow due to the motion of topological solitons in nonlinear extended systems in the presence of damping and driving. The total field momentum contribution to the energy flux, which reduces the soliton motion to that of a…

Other Condensed Matter · Physics 2009-11-11 A. V. Gorbach , S. Denisov , S. Flach

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 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…

High Energy Astrophysical Phenomena · Physics 2021-12-17 Gregory R. Werner , Dmitri A. Uzdensky

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

We propose a straightforward and efficient mechanism of the high energy emission of astrophysical jets associated with an exchange of interacting high energy photons between the jet and external environment and vice versa. Interactions…

Astrophysics · Physics 2007-05-23 B. E. Stern , J. Poutanen

Interaction between a central outflow and a surrounding wind is common in astrophysical sources powered by accretion. Understanding how the interaction might help to collimate the inner central outflow is of interest for assessing…

High Energy Astrophysical Phenomena · Physics 2015-06-19 R. Yurchak , A. Ravasio , A. Pelka , S. Pikuz , E. Falize , T. Vinci , M. Koenig , B. Loupias , A. Benuzzi-Mounaix , M. Fatenejad , P. Tzeferacos , D. Q. Lamb , E. G. Blackman

Magnetic reconnection is a fundamental physical process in various astrophysical, space, and laboratory environments. Many pieces of evidence for magnetic reconnection have been uncovered. However, its specific processes that could be…

Solar and Stellar Astrophysics · Physics 2018-10-24 X. Cheng , Y. Li , L. F. Wan , M. D. Ding , P. F. Chen , J. Zhang , J. J. Liu

Recent observations that indicate that some extrasolar planets observed in transit can experience mass loss from their surfaces. Motivated by these findings, this paper considers outflows from Hot Jupiters in the regime where the flow is…

Earth and Planetary Astrophysics · Physics 2015-05-27 Fred C. Adams

During overflow metabolism, cells excrete glycolytic byproducts when growing under aerobic conditions in a seemingly wasteful fashion. While potentially advantageous for microbes with finite oxidative capacity, its role in higher organisms…

The collision of magnetic reconnection jets is studied by means of a three dimensional numerical simulation at kinetic scale, in the presence of a strong guide field. We show that turbulence develops due to the jets collision producing…

Solar and Stellar Astrophysics · Physics 2018-11-07 F. Pucci , W. H. Matthaeus , A. Chasapis , S. Servidio , L. Sorriso-Valvo , V. Olshevsky , D. L. Newman , M. V. Goldman , G. Lapenta

Convection inside the magnetosphere can be regarded as the transfer of magnetic flux and plasma from the magnetotail into the nightside and then convection and drift from there to the dayside. As in many fluid flow situations, the…

Space Physics · Physics 2007-05-23 Gerald Atkinson

Magnetic reconnection is commonly perceived to drive flow and particle acceleration in flares of solar, stellar, and astrophysical disk coronae but the relative roles of different acceleration mecha- nisms in a given reconnection…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Jared C. Workman , Eric G. Blackman , Chuang Ren

The mass symmetry between the two species in electron-positron (pair) plasmas has interesting consequences for collisionless magnetic reconnection because the Hall term, which plays a crucial role in supporting fast reconnection in…

Astrophysics · Physics 2009-11-13 M. Swisdak , Y. H. Liu , J. F. Drake

Magnetic reconnection changes the magnetic field topology and facilitates the energy and particle exchange at magnetospheric boundaries such as the Earth's magnetopause. The flow shear perpendicular to the reconnecting plane prevails at the…

Space Physics · Physics 2024-09-26 Haoming Liang , Li-Jen Chen , Naoki Bessho , Jonathan Ng

Equilibrium thermodynamics is grounded in the law of energy conservation, with a specific focus on how systems exchange energy with their environment during transitions between equilibrium states. These transitions are typically…

Statistical Mechanics · Physics 2024-08-19 Karol Makuch

Magnetic reconnection has been suggested to play an important role in the dynamics and energetics of plasma turbulence by spacecraft observations, simulations and theory over the past two decades, and recently, by magnetosheath observations…

Plasma Physics · Physics 2022-01-03 Tak Chu Li , Yi-Hsin Liu , Yi Qi