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Related papers: Jet deflection by very weak guide fields during ma…

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We present an overview of new HST imaging polarimetry of six nearby radio galaxies with optical jets. These observations triple the number of extragalactic jets with subarcsecond-resolution optical polarimetry. We discuss the polarization…

Magnetic reconnection in the low atmosphere, e.g. chromosphere, is investigated in various physical environments. Its implications for the origination of explosive events (small--scale jets) are discussed. A 2.5-dimensional resistive…

Solar and Stellar Astrophysics · Physics 2015-05-14 J. Y. Ding , M. S. Madjarska , J. G. Doyle , Q. M. Lu

Supported by a kinetic simulation, we derive an exclusion energy parameter $\cal{E}_X$ providing a lower kinetic energy bound for an electron to cross from one inflow region to the other during magnetic reconnection. As by a Maxwell Demon,…

We study the transition between anti-parallel and component collisionless magnetic reconnection with 2D particle-in-cell simulations. The primary finding is that a guide field \approx 0.1 times as strong as the asymptotic reconnecting field…

Space Physics · Physics 2015-06-26 M. Swisdak , J. F. Drake , M. A. Shay , J. G. McIlhargey

In the standard model of magnetic reconnection, both ions and electrons couple to the newly reconnected magnetic field lines and are ejected away from the reconnection diffusion region in the form of bidirectional burst ion and electron…

Plasma Physics · Physics 2021-12-01 S. Y. Huang , Q. Y. Xiong , L. F. Song , J. Nan , Z. G. Yuan , K. Jiang , X. H. Deng , L. Yu

We construct a numerical model of emission from minijets, localized flows driven by magnetic reconnection inside Poynting-flux-dominated jets proposed to explain the ultrafast variability of blazars. The geometrical structure of the model…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Krzysztof Nalewajko , Dimitrios Giannios , Mitchell C. Begelman , Dmitri A. Uzdensky , Marek Sikora

We investigate the effect of the jet's immediate surroundings on the non-thermal synchrotron emission and its polarization properties. The ambient medium is equipped with a turbulent magnetic field, which is compressed and amplified by the…

High Energy Astrophysical Phenomena · Physics 2023-10-06 Moun Meenakshi , Dipanjan Mukherjee , Gianluigi Bodo , Paola Rossi

Flattenings of nonthermal radiation spectra observed from knots and interknot locations of the jets of 3C273 and M87 in UV and X-ray bands are discussed within modern models of magnetic field generation in the relativistic jets.…

Astrophysics · Physics 2009-11-13 Gregory D. Fleishman

We review recent observational and theoretical results on the relationship between circumstellar accretion disks and jets in young stellar objects. We then present a theoretical framework that interprets jets as accretion-powered,…

Astrophysics · Physics 2007-05-23 Arieh Konigl , Ralph E. Pudritz

In this letter we report three-dimensional particle-in-cell simulations of the interaction between a nonpenetrable magnetosheath jet and the magnetopause, for northward interplanetary magnetic field. The magnetopause is modeled as a…

Space Physics · Physics 2017-06-30 G. Voitcu , M. Echim

These proceedings review recent results from two and three particle correlations in heavy ion collisions. In particular we discuss the modified structure of the away side jet correlations. Under the assumption that the away side can be…

Nuclear Experiment · Physics 2009-07-22 Anne Sickles

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

Recent observations uncover various phenomena around the protostar such as misalignment between the outflow and magnetic field, precession of the jet, and time variability of the ejected clumps, whose origins are under debate. We perform a…

Solar and Stellar Astrophysics · Physics 2019-03-20 Shingo Hirano , Masahiro N. Machida

Transient collimated plasma ejections (jets) occur frequently throughout the solar corona, in active regions, quiet Sun, and coronal holes. Although magnetic reconnection is generally agreed to be the mechanism of energy release in jets,…

Solar and Stellar Astrophysics · Physics 2019-11-13 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , Peter F. Wyper , C. Richard DeVore

An attractive technique for forming and collecting aggregates of magnetic material at a liquid--air interface by an applied magnetic field gradient was recently addressed theoretically and experimentally [Soft Matter, (9) 2013, 8600-8608]:…

Fluid Dynamics · Physics 2015-01-07 Shahriar Afkhami , Linda J. Cummings , Ian M. Griffiths

The jet composition and energy dissipation mechanism of Gamma-ray bursts (GRBs) and Blazars are fundamental questions which remain not fully understood. One plausible model is to interpret the $\gamma$-ray emission of GRBs and optical…

High Energy Astrophysical Phenomena · Physics 2016-04-27 Wei Deng , Haocheng Zhang , Bing Zhang , Hui Li

The absence of other viable momentum sources for collimated flows leads to the likelihood that magnetic fields play a fundamental role in jet launch and/or collimation in astrophysical jets. To best understand the physics of jets, it is…

Astrophysics · Physics 2008-11-26 Eric G. Blackman

The first measurement of the jet axis decorrelation in events with jets recoiling from an isolated photon is presented for lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The jet…

Nuclear Experiment · Physics 2026-02-23 CMS Collaboration

We present a statistical analysis of ion distributions in magnetic reconnection jets using data from the Magnetospheric Multiscale spacecraft. Compared with the quiet plasma in which the jet propagates, we often find anisotropic and…

Space Physics · Physics 2023-10-11 L. Richard , Yu. V. Khotyaintsev , D. B. Graham , A. Vaivads , D. J. Gershman , C. T. Russell

We study the collimation of a highly magnetized jet by a surrounding cocoon that forms as a result of the interaction of the jet with the external medium. We show that in regions where the jet is well confined by the cocoon, current-driven…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Amir Levinson , Mitchell C. Begelman