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An axisymmetric MHD model is examined analytically to illustrate some key aspects of the physics of hot and magnetized outflows which originate in the near environment of a central gravitating body. By analyzing the asymptotical behaviour…

Astrophysics · Physics 2007-05-23 C. Sauty , K. Tsinganos , E. Trussoni

In the context of the hybrid strong/weak coupling model for jet quenching, we perform a global fit to hadron and jet data in the most central bins both at RHIC and LHC. The qualitative and quantitative success of the analysis is attributed…

High Energy Physics - Phenomenology · Physics 2019-02-20 Jorge Casalderrey-Solana , Zachary Hulcher , Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

Short gamma-ray bursts originate when relativistic jets emerge from the remnants of binary neutron star mergers. Both the jet and the remnant are believed to be strongly magnetized, and the presence of magnetic fields is known to influence…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Giancarlo Mattia , Luca Del Zanna , Andrea Pavan , Riccardo Ciolfi

Context. Relativistic jets in active galactic nuclei are known for their exceptional energy output, and imaging the synthetic synchrotron emission of numerical jet simulations is essential for a comparison with observed jet polarization…

High Energy Astrophysical Phenomena · Physics 2024-09-11 Joana A. Kramer , Nicholas R. MacDonald , Georgios F. Paraschos , L. Ricci

Highly relativistic jets are most probably driven by strong magnetic fields and are launched from the accretion disk surrounding a central black hole. In this paper we review some of our recent results considering the two-dimensional…

Astrophysics · Physics 2007-05-23 Christian Fendt

We present an analytical solution of a highly magnetized jet/wind flow. The left side of the general force-free jet/wind equation (the "pulsar" equation) is separated into a rotating and a nonrotating term. The two equations with either…

High Energy Astrophysical Phenomena · Physics 2021-01-15 Liang Chen , Bing Zhang

Based on a new approach on modeling the magnetically dominated outflows from AGNs (Li et al. 2006), we study the propagation of magnetic tower jets in gravitationally stratified atmospheres (such as a galaxy cluster environment) in large…

Astrophysics · Physics 2008-11-26 Masanori Nakamura , Hui Li , Shengtai Li

Jets and outflows are thought to be an integral part of accretion phenomena and are associated with a large variety of objects. In these systems, the interaction of magnetic fields with an accretion disk and/or a magnetized central object…

The launch of relativistic jets of plasma on astrophysical to cosmological scales is observed in a variety of astrophysical sources, from active galactic nuclei to X-ray binaries. While these jets can be reproduced by general relativistic…

High Energy Astrophysical Phenomena · Physics 2026-03-03 Jibril Ben Achour , Ileyk El Mellah , Eric Gourgoulhon

We consider axisymmetric relativistic jets with a toroidal magnetic field and an ultrarelativistic equation of state, with the goal of studying the lateral structure of jets whose pressure is matched to the pressure of the medium through…

Astrophysics · Physics 2010-11-11 Nadia L. Zakamska , Mitchell C. Begelman , Roger D. Blandford

A set of 3D MHD simulations of magnetized jets has been performed. The jets contain an equipartition primarily poloidal magnetic field and the effect of jet density on jet dynamics and structure is evaluated. The jet is precessed at the…

Astrophysics · Physics 2009-10-30 P. E. Hardee , D. A. Clarke , A. Rosen

This is a brief review of the recent developments in the theory of magnetic acceleration of relativistic jets. We attempt to explain the key results of this complex theory using basic physical arguments and simple calculations. The main…

High Energy Astrophysical Phenomena · Physics 2010-06-14 S. S. Komissarov

We review recent relativistic hydrodynamic simulations of jets, and their interpretation in terms of the results from linear stability analysis. These studies show that, interpreted naively, the distribution of synchrotron intensity will in…

Astrophysics · Physics 2007-05-23 Philip A. Hughes

We present self-consistent global, steady-state MHD models and synthetic optically thin synchrotron emission maps for the jet of M87. The model consist of two distinct zones: an inner relativistic outflow, which we identify with the…

Astrophysics of Galaxies · Physics 2011-02-11 J. Gracia , N. Vlahakis , I. Agudo , K. Tsinganos , S. V. Bogovalov

By performing general relativistic radiative transfer calculations, we show the radio images of relativistic jets including highly magnetized regions inside jet funnels, based on steady, axisymmetric, and semi-analytic general relativistic…

High Energy Astrophysical Phenomena · Physics 2024-06-04 Taiki Ogihara , Tomohisa Kawashima , Ken Ohsuga

We summarise the recent progress of a project to determine physical conditions in the jets of low-luminosity (FR I) radio galaxies. We model the jets as intrinsically symmetrical, relativistic, decelerating flows. By fitting to deep,…

Astrophysics · Physics 2007-05-23 R. A. Laing , J. R. Canvin , A. H. Bridle

We present a new, semi-analytic formalism to model the acceleration and collimation of relativistic jets in a gravitational potential. The gravitational energy density includes the kinetic, thermal, and electromagnetic mass contributions.…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Peter Polko , David L. Meier , Sera Markoff

In this paper we present a numerical study of plasma jets produced by intense laser matter interactions. Through this study we hope to better understand astrophysical jets and their recent experimental simulations in the laboratory. We paid…

Astrophysics · Physics 2009-11-07 Akira Mizuta , Shoich Yamada , Hideaki Takabe

Relativistic magnetized jets, originating near black holes, are observed to exhibit sub-structured flows. In this study, we present synthetic synchrotron emission signatures for different lines of sight and frequencies, derived from…

High Energy Astrophysical Phenomena · Physics 2024-09-25 Ravi Pratap Dubey , Christian Fendt , Bhargav Vaidya

We describe a new hybrid framework to model non-thermal spectral signatures from highly energetic particles embedded in a large-scale classical or relativistic MHD flow. Our method makes use of \textit{Lagrangian} particles moving through…

High Energy Astrophysical Phenomena · Physics 2018-10-17 Bhargav Vaidya , Andrea Mignone , Gianluigi Bodo , Paola Rossi , Silvano Massaglia