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Related papers: Magnetized, Relativistic Jets

200 papers

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

Evidence that the magnetic fields of extragalactic jets have a significant fraction of their energy in a random component is briefly summarized, and a detailed model of evolving, jet polarization structures is constructed, based on this…

Astrophysics · Physics 2009-11-10 Philip A. Hughes

The kinetic effects of magnetic fields on the transport of relativistic jet in the intergalactic medium remain uncertain, especially for their perpendicular component. By particle-in-cell simulations, we find that when only jet electrons…

Plasma Physics · Physics 2019-12-03 W. P. Yao , B. Qiao , Z. Xu , H. Zhang , Z. H. Zhao , H. X. Chang , C. T. Zhou , S. P. Zhu , X. T. He

We present equilibrium models of relativistic magnetised, infinite, axisymmetric jets with rotation propagating through an homogeneous, unmagnetised ambient medium at rest. The jet models are characterised by six functions defining the…

Instrumentation and Methods for Astrophysics · Physics 2015-09-16 José-María Martí

We study the interaction of relativistic jets with their environment, using 3-dimensional relativistic particle-in-cell simulations for two cases of jet composition: (i) electron-proton ($e^{-}-p^{+}$) and (ii) electron-positron ($e^{\pm}$)…

We present numerical relativistic magnetohydrodynamic and emission simulations aimed to study the role played by the magnetic field in the dynamics and emission of relativistic jets in Active Galactic Nuclei. We focus our analysis on the…

Astrophysics · Physics 2008-02-27 M. Roca-Sogorb , M. Perucho , J. L. Gomez , J. M. Marti , L. Anton , M. A. Aloy , I. Agudo

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…

In the study of relativistic jets one of the key open questions is their interaction with the environment on the microscopic level. Here, we study the initial evolution of both electron$-$proton ($e^{-}-p^{+}$) and electron$-$positron…

A magnetohydrodynamic model is constructed for a cylindrical jet immersed in an external uniform magnetic field. It is shown that, as in the force-free case, the total electric current within the jet can be zero. The particle energetics and…

Astrophysics · Physics 2009-10-31 Vassily S. Beskin , Leonid Malyshkin

We perform three-dimensional numerical simulations of magnetized relativistic jets propagating in a uniform density environment in order to study the effect of the entrainment and the consequent deceleration, extending a previous work in…

High Energy Astrophysical Phenomena · Physics 2024-02-08 Paola Rossi , Gianluigi Bodo , Silvano Massaglia , Alessandro Capetti

Astrophysical jets, launched from the immediate vicinity of accreting black holes, carry away large amounts of power in a form of bulk kinetic energy of jet particles and electromagnetic flux. Here we consider a simple analytical model for…

High Energy Astrophysical Phenomena · Physics 2022-05-11 Dominika Ł. Król , Łukasz Stawarz , Mitchell C. Begelman , José-María Martí , Manel Perucho , Bohdan A. Petrenko

Extragalactic relativistic jets are engines able to carry out to large distances a huge amount of power, not only in the form of radiation, but especially in the form of kinetic energy of matter and fields. As such, they can be thought as…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 G. Ghisellini

Recently, microquasar jets have aroused the interest of many researchers focusing on the astrophysical plasma outflows and various jet ejections. In this work, we concentrate on the investigation of electromagnetic radiation and particle…

High Energy Astrophysical Phenomena · Physics 2022-03-02 Theodora Papavasileiou , Odysseas Kosmas , Ioannis Sinatkas

The jets emanating from the centers of active galactic nuclei (AGN) are among the most energetic objects in the universe. Investigating how the morphology of the jet's synchrotron emission depends on the magnetic nature of the jet's…

High Energy Astrophysical Phenomena · Physics 2021-12-15 Joana A. Kramer , Nicholas R. MacDonald

Using high resolution adaptive mesh refinement simulations in 3D, we investigate the formation of relativistic jets from rotating magnetospheres. Here, we focus on the development of non-axisymmetric modes due to internal and external…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Oliver Porth

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

We present an analytical model for describing highly relativistic acceleration of magnetically driven jets, within the framework of ideal MHD for cold, stationary and axisymmetric outflows. Our novel procedure is to treat the wind equation…

Astrophysics · Physics 2016-08-30 Akira Tomimatsu , Masaaki Takahashi

Extragalactic jets are visualized as dynamic erruptive events modelled by time-dependent magnetohydrodynamic (MHD) equations. The jet structure comes through the temporally self-similar solutions in two-dimensional axisymmetric spherical…

Astrophysics · Physics 2008-11-26 K. H. Tsui , A. Serbeto

The recent improvement in VLBI arrays is providing information of the emission and magnetic field structure of relativistic jets, both extragalactic and galactic (microquasars), with unprecedented spatial and temporal resolution. These…

Astrophysics · Physics 2007-05-23 J. L. Gomez

Relativistic jets are collimated plasma outflows with relativistic speeds. Astrophysical objects involving relativistic jets are a system comprising a compact object such as a black hole, surrounded by rotating accretion flows, with the…

High Energy Astrophysical Phenomena · Physics 2022-02-01 Yosuke Mizuno
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