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Determining whether black hole jets are dominated by leptonic or baryonic matter remains an open question in high-energy astrophysics. We propose that extreme mass ratio binary (EMRB) black holes, where an intermediate mass secondary black…

High Energy Astrophysical Phenomena · Physics 2025-11-11 Hung-Yi Pu

The study of plasma in liquid jets represents a significant area of research encompassing plasma science, dynamics, and properties. This paper presents experimental studies on plasma formation processes in liquid jets of water, ethanol, and…

Plasma Physics · Physics 2024-05-31 S. Hilal , M. Melnik , A. Ismagilov , A. Tsypkin , S. Kozlov

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

Jet physics is again flourishing as a result of Chandra's ability to resolve high-energy emission from the radio-emitting structures of active galaxies and separate it from the X-ray-emitting thermal environments of the jets. These enhanced…

Astrophysics · Physics 2018-06-11 D. M. Worrall

Using our new 3-D relativistic electromagnetic particle (REMP) code parallelized with MPI, we have investigated long-term particle acceleration associated with an relativistic electron-positron jet propagating in an unmagnetized ambient…

High Energy Astrophysical Phenomena · Physics 2009-06-25 K. -I. Nishikawa , M. Medvedev , B. Zhang , P. Hardee , J. Niemiec , A. Nordlund , J. Frederiksen , Y. Mizuno , H. Sol , G. J. Fishman

Aims: The secondary atmospheres of terrestrial planets form and evolve as a consequence of interaction with the interior over geological time. We aim to quantify the influence of planetary bulk composition on the interior--atmosphere…

Earth and Planetary Astrophysics · Physics 2020-11-04 Rob J. Spaargaren , Maxim D. Ballmer , Dan J. Bower , Caroline Dorn , Paul J. Tackley

We study, analytically and numerically, the structure and evolution of relativistic jetted blast waves that propagate in uniform media, such as those that generate afterglows of gamma-ray bursts. Similar to previous studies, we find that…

High Energy Astrophysical Phenomena · Physics 2023-11-17 Taya Govreen-Segal , Ehud Nakar

There are now several types of relativistic flows in astrophysical settings. The foremost examples are jets and disks orbiting spinning black holes, pulsar winds and gamma ray bursts. As discussed at this meeting, these flows exhibit…

Astrophysics · Physics 2007-05-23 R. D. Blandford

We present a long-term numerical three-dimensional simulation of a relativistic outflow designed to be compared with previous results from axisymmetric, two-dimensional simulations, with existing analytical models and state-of-art…

Astrophysics of Galaxies · Physics 2018-11-07 Manel Perucho , José-María Martí , Vicent Quilis

We carry out a numerical hydrodynamical modeling for the evolution of a relativistic collimated outflow, as it interacts with the surrounding medium, and calculate the light-curve resulting from synchrotron emission of the shocked fluid.…

Astrophysics · Physics 2009-11-07 Pawan Kumar , Jonathan Granot

The composition of the astrophysical relativistic jets remains uncertain. By kinetic particle-in-cell simulations, we show that the baryon component in the jet, or the so-called baryon loading effect (BLE), heavily affects relativistic jets…

Plasma Physics · Physics 2018-09-24 W. P. Yao , B. Qiao , Z. Xu , H. Zhang , Z. H. Zhao , H. X. Chang , C. T. Zhou , S. P. Zhu , X. T. He

The hot, puffed up, post-shock region of an advective disc is the source of high energy photons and also the jets and outflows. We study the relativistic equations of motion of jets as these high energy photons interact with them. We show…

Astrophysics · Physics 2007-05-23 Indranil Chattopadhyay , Sandip K. Chakrabarti

At least some short gamma-ray bursts (SGRBs) originate from neutron star mergers, systems that release both a relativistic collimated jet and slower, wider ejecta. These jets evolve through a dense, anisotropic, and expanding medium…

High Energy Astrophysical Phenomena · Physics 2025-07-03 Leonardo Garcia-Garcia , Diego Lopez-Camara , Davide Lazzati

We calculate the temporal evolution of distributions of relativistic electrons subject to synchrotron and adiabatic processes and Fermi-like acceleration in shocks. The shocks result from Kelvin-Helmholtz instabilities in the jet. Shock…

Astrophysics · Physics 2007-05-23 M. Micono , N. Zurlo , S. Massaglia , A. Ferrari , D. B. Melrose

We study the evolution of full jet shower in quark-gluon plasma via solving a set of coupled differential transport equations for the three-dimensional momentum distributions of quarks and gluons contained in the full jets. In our jet…

High Energy Physics - Phenomenology · Physics 2016-08-10 Ning-Bo Chang , Guang-You Qin

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

We have performed magneto-hydrodynamic simulations of relativistic jets from supermassive blackholes over a few tens of kpc for a range of jet parameters. One of the primary aims were to investigate the effect of different MHD instabilities…

High Energy Astrophysical Phenomena · Physics 2020-09-30 Dipanjan Mukherjee , Gianluigi Bodo , Andrea Mignone , Paola Rossi , Bhargav Vaidya

Context. Astrophysical jets are ubiquitous in the Universe on all scales, but their large-scale dynamics and evolution in time are hard to observe since they usually develop at a very slow pace. Aims. We aim to obtain the first…

High Energy Astrophysical Phenomena · Physics 2015-05-29 Josep Martí , Pedro L. Luque-Escamilla , Gustavo E. Romero , Juan R. Sánchez-Sutil , Álvaro J. Muñoz-Arjonilla

Relativistic jets from (supermassive) black holes are typically observed in non-thermal emission, caused by highly-relativistic electrons. Here, we study the interrelation between three-dimensional (special) relativistic…

High Energy Astrophysical Phenomena · Physics 2023-07-20 Ravi Pratap Dubey , Christian Fendt , Bhargav Vaidya

Jets provide one of the primary probes of the quark-gluon plasma produced in ultrarelativistic heavy ion collisions and the cold nuclear matter explored in deep inelastic scattering experiments. However, despite important developments in…

High Energy Physics - Phenomenology · Physics 2024-01-10 João Barata , Xiaojian Du , Meijian Li , Wenyang Qian , Carlos A. Salgado