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Related papers: Relativistic Magnetohydrodynamics with Application…

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We present a new, approximate method for modelling the acceleration and collimation of relativistic jets in the presence of gravity. This method is self-similar throughout the computational domain where gravitational effects are negligible…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Peter Polko , David L. Meier , Sera Markoff

We present a one-fluid pair plasma magnetohydrodynamical model for asymmetric relativistic magnetic reconnection that incorporates the thermal-inertial effects of the plasma. We find the general scaling relation for the reconnection rate in…

Plasma Physics · Physics 2025-03-12 Maricarmen A. Winkler , Felipe A. Asenjo

We discuss stationary and axisymmetric trans-magnetosonic outflows in the magnetosphere of a rotating black hole (BH). Ejected plasma from the plasma source located near the BH is accelerated far away to form a relativistic jet. In this…

High Energy Astrophysical Phenomena · Physics 2021-11-17 Masaaki Takahashi , Motoki Kino , Hung-Yi Pu

We present numerical simulations of axisymmetric, magnetically driven relativistic jets. To eliminate the dissipative effects induced by a free boundary with an ambient medium we assume that the flow is confined by a rigid wall of a…

Astrophysics · Physics 2009-11-13 S. S. Komissarov , M. V. Barkov , N. Vlahakis , A. Konigl

We consider dynamical scales in magnetized GRB outflows, using the solutions to the Riemann problem of expanding arbitrarily magnetized outflows (Lyutikov 2010). For high ejecta magnetization, the behavior of the forward shock closely…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Maxim Lyutikov

The Alfvenic waves and fast magneto-sound in the relativistically hot plasmas are considered. This study is based on the novel hydrodynamic model of plasmas with the relativistic temperatures consisted of four equations for the material…

Plasma Physics · Physics 2021-08-31 Pavel A. Andreev

The extreme hypothesis that essentially all types of ultrarelativistic outflow -- specifically AGN jets, pulsar wind nebulae and GRB --are electromagnetic, rather than gas dynamical, phenomena is considered. Electromagnetic flows are…

Astrophysics · Physics 2009-11-07 R. D. Blandford

We study the dynamics of relativistic electromagnetic explosions as a possible mechanism for the production of Gamma-Ray Bursts. We propose that a rotating relativistic stellar-mass progenitor loses much of its spin energy in the form of an…

Astrophysics · Physics 2007-05-23 Maxim Lyutikov , Roger Blandford

The dynamics of a relativistic blast wave propagating through magnetized medium is considered taking into account possible inhomogeneities of density and magnetic field and additional energy supply. Under the simplifying assumption of a…

Astrophysics · Physics 2009-11-07 Maxim Lyutikov

Models for GRB outflows invoke turbulence in relativistically hot magnetized fluids. In order to investigate these conditions we have performed high-resolution three-dimensional numerical simulations of relativistic magneto-hydrodynamical…

High Energy Astrophysical Phenomena · Physics 2011-09-29 Jonathan Zrake , Andrew MacFadyen

Relativistic jets associated with long/soft gamma-ray bursts are formed and initially propagate in the interior of the progenitor star. Because of the subsequent loss of their external pressure support after they cross the stellar surface,…

High Energy Astrophysical Phenomena · Physics 2014-07-21 Konstantinos Sapountzis , Nektarios Vlahakis

This paper examines a new class of exact and self-consistent MHD solutions which describe steady and axisymmetric hydromagnetic outflows from the atmosphere of a magnetized and rotating central object with possibly an orbiting accretion…

Astrophysics · Physics 2009-10-31 N. Vlahakis , K. Tsinganos

Traveling across several order of magnitude in distance, relativistic jets from strong gravity region to asymptotic flat spacetime region are believed to consist of several general relativistic magnetohydrodynamic (GRMHD) processes. We…

Instrumentation and Methods for Astrophysics · Physics 2020-04-01 Hung-Yi Pu , Masaaki Takahashi

We perform axisymmetric relativistic magnetohydrodynamic (MHD) simulations to investigate the acceleration and collimation of jets and outflows from disks around compact objects. The fiducial disk surface (respectively a slow disk wind) is…

High Energy Astrophysical Phenomena · Physics 2014-11-20 O. Porth , C. Fendt

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

The asymptotic structure of outflows from rotating magnetized objects confined by a uniform external pressure is calculated. The flow is assumed to be perfect MHD, polytropic, axisymmetric and stationary. The well known associated first…

Astrophysics · Physics 2007-05-23 Thibaut Lery , J. Heyvaerts , S. Appl , C. A. Norman

The nonlinear dynamics of outflows driven by magnetic explosion on the surface of a compact star is investigated through special relativistic magnetohydrodynamic simulations. We adopt, as the initial equilibrium state, a spherical stellar…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Jin Matsumoto , Youhei Masada , Eiji Asano , Kazunari Shibata

To demonstrate the magnetic energy dissipation via relativistic shocks, we carry out spherically symmetrical one-dimensional special relativistic magneto-hydrodynamic simulations of highly magnetised outflows with an adaptive mesh…

High Energy Astrophysical Phenomena · Physics 2023-07-21 Yo Kusafuka , Katsuaki Asano , Takumi Ohmura , Tomohisa Kawashima

We calculate the structure of a relativistic shock wave in which the internal energy of the shocked fluid is radiated away on a time scale much shorter than the characteristic shock propagation time. The shock is assumed to move through a…

Astrophysics · Physics 2009-11-06 Jonathan Granot , Arieh Konigl

I consider here acceleration and heating of relativistic outflow by local magnetic energy dissipation process in Poynting flux dominated outflow. Adopting the standard assumption that the reconnection rate scales with the Alfven speed, I…

High Energy Astrophysical Phenomena · Physics 2017-12-20 Asaf Pe'er