English
Related papers

Related papers: Thermal material in jets

200 papers

Active galactic nucleus (AGN) feedback is widely viewed as the most promising solution to the long-standing cooling flow problem in galaxy clusters, yet previous models prescribe jet properties inconsistent with accretion physics. We…

Astrophysics of Galaxies · Physics 2026-05-15 Aoyun He , Feng Yuan , Suoqing Ji , Minhang Guo , Yuan Li , Haiguang Xu , Ming Sun , Haojie Xia , Yuanyuan Zhao

One of the fundamental properties of astrophysical magnetic fields is their ability to change topology through reconnection and in doing so, to release magnetic energy, sometimes violently. In this work, we review recent results on the role…

High Energy Astrophysical Phenomena · Physics 2015-05-18 E. M. de Gouveia Dal Pino , G. Kowal , L. H. S. Kadowaki , P. Piovezan , A. Lazarian

. Plasma jets are a high temperature flows, then all physical parameters are temperature dependent. This work aims to address the issue of simulating plasma-jet from the point of view of extending the applications to simulating flows with…

Materials Science · Physics 2011-02-24 Rhida Djebeli , Bernard Pateyron , Mohamed Elganaoui , Habib Sammouda

Active Galactic Nuclei (AGN) are powerful astronomical objects with very high luminosities. Theoretical arguments suggest that these objects are capable of accelerating particles to energies of 10$^{20}$ eV. In environments with matter or…

High Energy Astrophysical Phenomena · Physics 2023-07-31 Sreetama Goswami

I present a brief review of theory of winds in active galactic nuclei (AGN). Magnetic, radiation, and thermal driving likely operate in AGN. In many cases, it is difficult to distinguish, both from observational and theoretical point of…

Astrophysics · Physics 2007-05-23 Daniel Proga

Active Galactic Nuclei (AGN) with bright radio jets offer the opportunity to study the structure of and physical conditions in relativistic outflows. For such studies, multi-frequency polarimetric very long baseline interferometric (VLBI)…

Astrophysics of Galaxies · Physics 2015-11-27 Jae-Young Kim , Sascha Trippe , Bong Won Sohn , Junghwan Oh , Jong-Ho Park , Sang-Sung Lee , Taeseok Lee , Daewon Kim

We study multiple scatterings of jets on constituents of quark gluon plasma and introduce energy--energy correlations to quantify their effects. The effects from a longitudinally expanding plasma on medium as well as high energy jets are…

High Energy Physics - Phenomenology · Physics 2009-10-28 Jicai Pan , Charles Gale

Models of the continuum radiation from accreting hot plasmas typically assume that the plasma heating mechanism produces energetic particles distributed in energy either as a Maxwellian (the ``thermal'' models) or as an extended power law…

Astrophysics · Physics 2007-05-23 Paolo S. Coppi

Based on the K\"onigl's inhomogeneous jet model, we estimate the jet parameters, such as bulk Lorentz factor $\Gamma$, viewing angle $\theta$ and electron number density $n_{\rm e}$ from radio VLBI and X-ray data for a sample of active…

Astrophysics of Galaxies · Physics 2015-05-13 Minfeng Gu , Xinwu Cao , D. R. Jiang

Jet feedback from active galactic nuclei (AGN) harboured by brightest cluster galaxies is expected to play a fundamental role in regulating cooling in the intracluster medium (ICM). While observations and theory suggest energy within jet…

Astrophysics of Galaxies · Physics 2019-10-17 Martin A. Bourne , Debora Sijacki , Ewald Puchwein

The use of materials in particle accelerator applications implies the consideration of physical properties in different environments than usual industrial applications. Cryogenic temperatures, high radiation, medium to high vacuum and high…

Accelerator Physics · Physics 2025-09-25 Ana Arauzo

High energy quarks and gluons play essential roles in the tomographic study of relativistic heavy-ion collisions and of the quark-gluon plasma. They interact with the traversed dense matter through elastic and inelastic collisions, and lose…

High Energy Physics - Phenomenology · Physics 2012-10-25 Guang-You Qin

An introduction is given to a meeting on the role of massive and stellar black holes in powering non-thermal activity in a rich variety of cosmic sources. Relevant properties of magnetized, spinning black holes are summarized and their…

High Energy Astrophysical Phenomena · Physics 2019-01-17 Roger Blandford

Intrinsic discrete nature in thermodynamic properties of Fermi gases appears under strongly confined and degenerate conditions. For a rectangular confinement domain, thermodynamic properties of an ideal Fermi gas are expressed in their…

Quantum Gases · Physics 2016-02-24 Alhun Aydin , Altug Sisman

The fine-scale structure and the kinematics of relativistic active galactic nuclei (AGN) jets have been studied by very-long-baseline interferometry at very high resolutions since 1998 at 2 cm wavelength for a sample of over a hundred radio…

Astrophysics · Physics 2014-11-18 Eduardo Ros

The thermal structure of neutron star envelopes is discussed with emphasis on analytic results. Recent progress on the effect of chemical constitution and high magnetic fields on the opacities and the thermal structure is further reviewed…

Astrophysics · Physics 2007-05-23 J. Ventura , A. Y. Potekhin

AGN reverberate when the broad emission lines respond to changes of the ionizing thermal continuum emission. Reverberation measurements have been commonly used to estimate the size of the broad-line region (BLR) and the mass of the central…

High Energy Astrophysical Phenomena · Physics 2014-11-04 J. León-Tavares , V. Chavushyan , A. Lobanov , E. Valtaoja , T. G. Arshakian

Energetic feedback by active galactic nuclei (AGNs) plays an important evolutionary role in the regulation of star formation (SF) on galactic scales. However, the effects of this feedback as a function of redshift and galaxy properties such…

We consider the physical conditions of the neutral medium within, and in the environments of, galaxies. The basic physical and morphological properties of the neutral medium within galaxy disks are now quite well-constrained. Systematic…

Astrophysics · Physics 2007-05-23 Robert Braun

Jet feedback from active galactic nuclei (AGN) is one of the most promising mechanisms for suppressing cooling flows in cool-core clusters. However, the composition of AGN jets and bubbles remains uncertain; they could be thermally…

High Energy Astrophysical Phenomena · Physics 2023-01-25 Yen-Hsing Lin , H. -Y. Karen Yang , Ellis R. Owen