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Instabilities in relativistic magnetized jets are thought to be deeply connected to their energy dissipation properties and to the consequent acceleration of the non-thermal emitting relativistic particles. Instabilities lead to the…

High Energy Astrophysical Phenomena · Physics 2024-07-23 M. Musso , G. Bodo , G. Mamatsashvili , P. Rossi , A. Mignone

We extend investigations of mass entrainment by jets, which previously have focused on cylindrical supermagnetosonic jets and expanding trans-Alfv\'enic jets, to a set of expanding supermagnetosonic jets. We precess these jets at the origin…

Astrophysics · Physics 2009-10-31 A. Rosen , P. E. Hardee

We have investigated the influence of jet rotation and differential motion on the linear and nonlinear development of the current-driven (CD) kink instability of force-free helical magnetic equilibria via three-dimensional relativistic…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Yosuke Mizuno , Yuri Lyubarsky , Ken-Ichi Nishikawa , Philip E. Hardee

A numerical study of the Kelvin-Helmholtz instability in compressible magnetohydrodynamics is presented. The three-dimensional simulations consider shear flow in a cylindrical jet configuration, embedded in a uniform magnetic field directed…

Astrophysics · Physics 2009-10-31 R. Keppens , G. Toth

We carry out a linear stability analysis of a magnetized relativistic rotating cylindrical jet flow using the approximation of zero thermal pressure. We identify several modes of instability in the jet: Kelvin-Helmholtz, current driven and…

High Energy Astrophysical Phenomena · Physics 2019-03-13 Gianluigi Bodo , George Mamatsashvili , Paola Rossi , Andrea Mignone

Three-dimensional magnetohydrodynamical simulations of strongly magnetized ``light'' conical jets have been performed. An investigation of the transition from sub-Alfv\'enic to super-Alfv\'enic flow has been made for nearly poloidal and for…

Astrophysics · Physics 2009-10-31 P. E. Hardee , A. Rosen

We perform a linear analysis of the stability of a magnetized relativistic non-rotating cylindrical flow in the aproximation of zero thermal pressure, considering only the m = 1 mode. We find that there are two modes of instability:…

High Energy Astrophysical Phenomena · Physics 2015-06-16 G. Bodo , G. Mamatsashvili , P. Rossi , A. Mignone

We have investigated the influence of a velocity shear surface on the linear and non-linear development of the CD kink instability of force-free helical magnetic equilibria in 3D. In this study we follow the temporal development within a…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Yosuke Mizuno , Philip E. Hardee , Ken-Ichi Nishikawa

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

In this paper we continue our study of the Kelvin-Helmholtz (KH) instability in relativistic planar jets following the long-term evolution of the numerical simulations which were introduced in Paper I. The models have been classified into…

Astrophysics · Physics 2009-11-10 M. Perucho , J. M. Marti , M. Hanasz

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 have investigated the influence of velocity shear and a radial density profile on the spatial development of the current driven kink instability along helically magnetized relativistic jets via three-dimensional relativistic…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Yosuke Mizuno , Philip E. Hardee , Ken-Ichi Nishikawa

Non-relativistic three-dimensional magnetohydrodynamic simulations of Poynting-flux-dominated (PFD) jets are presented. Our study focuses on the propagation of strongly magnetized hypersonic but sub-Alfv\'enic flow ($C_{\rm s}^2 << V_{\rm…

Astrophysics · Physics 2009-11-10 Masanori Nakamura , David L. Meier

In this paper, we conduct a linear stability analysis of magnetized and/or rotating jets propagating in ambient matter that is also magnetized and/or rotating, having in mind the application to the jet penetrating the core/envelope of a…

High Energy Astrophysical Phenomena · Physics 2025-09-15 Wu Fan , Yamada Shoichi

The effects of relativistic dynamics and thermodynamics in the development of Kelvin-Helmholtz instabilities in planar, relativistic jets along the early phases (namely linear and saturation phases) of evolution has been studied by a…

Astrophysics · Physics 2009-11-10 M. Perucho , M. Hanasz , J. M. Marti , H. Sol

We have investigated the development of current-driven (CD) kink instability through three-dimensional relativistic MHD simulations. A static force-free equilibrium helical magnetic configuration is considered in order to study the…

High Energy Astrophysical Phenomena · Physics 2009-07-22 Yosuke Mizuno , Yuri Lyubarsky , Ken-Ichi Nishikawa , Philip E. Hardee

Stability properties of ``magnetic tower'' jets propagating in the gravitationally stratified background have been examined by performing three-dimensional magnetohydrodynamic simulations. The current-carrying, Poynting flux-dominated…

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

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…

Two three-dimensional magnetohydrodynamical simulations of strongly magnetized conical jets, one with a poloidal and one with a helical magnetic field, have been performed. In the poloidal simulation a significant sheath (wind) of…

Astrophysics · Physics 2009-11-07 Philip Hardee , Alexander Rosen

Non-relativistic three-dimensional magnetohydrodynamical (MHD) simulations of Poynting flux dominated (PFD) jets are presented. Our study focuses on the propagation of strongly magnetized hypersonic, but sub-Alfv\'enic ($C^{2}_{\rm s} \ll…

Astrophysics · Physics 2009-11-10 Masanori Nakamura , David L. Meier
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