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Related papers: Determining the Composition of Relativistic Jets f…

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(Abridged) We present numerical simulations of the spectral evolution and emission of radio components in relativistic jets. We have developed an algorithm (SPEV) for the transport of a population of non-thermal electrons including…

Astrophysics · Physics 2010-05-12 P. Mimica , M. A. Aloy , I. Agudo , J. M. Marti , J. L. Gomez , J. A. Miralles

Radio-frequency-driven atmospheric pressure plasma jets (RF APPJs) play an essential role in many technological applications. This work studies the characteristics of these discharges in the so-called non-neutral regime where the…

Plasma Physics · Physics 2021-09-21 Maximilian Klich , Sebastian Wilczek , Zoltan Donko , Ralf Peter Brinkmann

We calculate exact analytical expressions for \oas 3-jet and \oasz \\ 4-jet cross sections in polarized deep inelastic lepton nucleon scattering. Introducing an invariant jet definition scheme, we present differential distributions of 3-…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Mirkes , C. Ziegler

Using simulated data-driven three-dimensional resistive MHD simulations of the solar atmosphere, we show that magnetic reconnection can be responsible of the formation of jets with characteristic of Type II spicules. For this, we…

Solar and Stellar Astrophysics · Physics 2018-04-06 J. J. González-Avilés , F. S. Guzmán , V. Fedun , G. Verth , S. Shelyag , S. Regnier

I use the holographic gauge/gravity duality to systematically calculate the jet quenching parameters in strongly coupled anisotropic plasmas in the presence of external magnetic fields. The magnetic field breaks down spatial rotation…

High Energy Physics - Phenomenology · Physics 2020-08-11 Romulo Rougemont

In the paradigm of magnetic acceleration of relativistic jets, one of the key points is identifying a viable mechanism to convert the Poynting flux into the kinetic energy of the plasma beyond equipartition. A promising candidate is the…

High Energy Astrophysical Phenomena · Physics 2017-05-31 E. Sobacchi , Y. E. Lyubarsky , M. C. Sormani

In this study we investigate jet interaction at a microscopic level in a cosmological environment, which responds to a key open question in the study of relativistic jets. Using small simulation systems during prior research, we initially…

Polarimetry provides key physical information on the properties of interacting binary systems, sometimes difficult to obtain by any other type of observation. Indeed, radiation processes such as scattering by free electrons in the hot…

Solar and Stellar Astrophysics · Physics 2019-10-16 Tariq Shahbaz

Extragalactic jets are inferred to harbor dynamically important, organized magnetic fields which presumably aid in the collimation of the relativistic jet flows. We here explore by means of grid-adaptive, high resolution numerical…

Astrophysics · Physics 2009-11-13 R. Keppens , Z. Meliani , B. van der Holst , F. Casse

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

We compute the jet quenching parameter $\hat q$ of QCD plasma in the presence of strong magnetic field in both weakly and strongly coupled regimes. In weakly coupled regime, we compute $\hat q$ in perturbative QCD at complete leading order…

High Energy Physics - Phenomenology · Physics 2016-10-27 Shiyong Li , Kiminad A. Mamo , Ho-Ung Yee

A model is developed for relativistic Poynting jets from the inner region of a disk around a rotating black hole. The disk is initially threaded by a dipole-like magnetic field. The model is derived from the special relativistic equation…

Astrophysics · Physics 2009-11-10 Richard V. E. Lovelace , Marina M. Romanova

We present the first large set of all-sky synthetic dust polarization maps derived directly from a self-consistent magnetohydrodynamics simulation using the TIGRESS framework. Turbulence in this simulation is predominantly driven by…

Astrophysics of Galaxies · Physics 2019-08-07 Chang-Goo Kim , Steve K. Choi , Raphael Flauger

Non-relativistic, magnetically-driven jets are constructed by taking self-consistently into account the feedback on the underlying accretion disc. It is shown that such jets are mostly described by the ejection index $\xi= \mbox{d} \ln \dot…

Astrophysics · Physics 2007-05-23 Jonathan Ferreira

Generation of ultrarelativistic polarized leptons during interaction of an ultrarelativistic electron beam with a counterpropagating ultraintense laser pulse is investigated in the quantum radiation-dominated domain. While the symmetry of…

High Energy Physics - Phenomenology · Physics 2023-08-16 Kai-Hong Zhuang , Yue-Yue Chen , Yan-Fei Li , Karen Z. Hatsagortsyan , Christoph H. Keitel

Magnetic fields, which are undoubtedly present in extragalactic jets and responsible for the observed synchrotron radiation, can affect the morphology and dynamics of the jets and their interaction with the ambient cluster medium. We…

High Energy Astrophysical Phenomena · Physics 2012-09-13 V. Gaibler , M. Krause , M. Camenzind

We propose a bipolar jet model for supernova polarization. Light from the main component of the supernova (which we call the bulk supernova for short) scatters off electrons in the jets and is polarized: this polarized light is added to the…

Astrophysics · Physics 2007-05-23 David J. Jeffery

3D-MHD numerical simulations of bipolar, hypersonic, weakly magnetized jets and synthetic synchrotron observations are presented to study the structure and evolution of magnetic fields in FR II radio sources. The magnetic field setup in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Martin Huarte-Espinosa , Martin Krause , Paul Alexander

Linearly polarized emission is described, in general, in terms of the Stokes parameters $Q$ and $U$, from which the polarization intensity and polarization angle can be determined. Although the polarization intensity and polarization angle…

Astrophysics of Galaxies · Physics 2018-01-31 C. A. Herron , B. M. Gaensler , G. F. Lewis , N. M. McClure-Griffiths

Based on theoretical arguments and quasi-stationary radiative MHD calculations, a model for an accretion-powered jet is presented. It is argued that accretion disks around BHs consist of 1) a cold, Keplerian-rotating and weakly magnetized…

Astrophysics · Physics 2009-11-07 A. Hujeirat , M. Livio , M. Camenzind , A. Burkert