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Related papers: Fundamentals of Non-relativistic Collisionless Sho…

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High Mach number collisionless shocks are found in planetary systems and supernova remnants (SNRs). Electrons are heated at these shocks to the temperature well above the Rankine-Hugoniot prediction. However processes responsible for…

High Energy Astrophysical Phenomena · Physics 2020-11-25 Artem Bohdan , Martin Pohl , Jacek Niemiec , Paul Morris , Yosuke Matsumoto , Takanobu Amano , Masahiro Hoshino

We consider evolution of wave pulses with formation of dispersive shock waves in framework of fully nonlinear shallow-water equations. Situations of initial elevations or initial dips on the water surface are treated and motion of the…

Pattern Formation and Solitons · Physics 2021-11-08 S. K. Ivanov , A. M. Kamchatnov

In this paper we study the general relationship between the evolutionary conditions for discontinuous solutions of hyperbolic conservation laws with a concave entropy function and the existence and uniqueness of steady dissipative shock…

Plasma Physics · Physics 2007-05-23 S. A. E. G. Falle , S. S. Komissarov

The nature of transverse instabilities to dark solitons and dispersive shock waves for the (2+1)-dimensional defocusing nonlinear Schrodinger equation / Gross-Pitaevskii (NLS / GP) equation is considered. Special attention is given to the…

Pattern Formation and Solitons · Physics 2015-03-19 M. A. Hoefer , B. Ilan

Shock wave reflection from a rigid wall has been thoroughly studied in the Newtonian limit, simplifying the problem by analyzing it in a steady-state frame, $S'$, where the point $P$ of the shock's intersection with the wall is at rest.…

High Energy Astrophysical Phenomena · Physics 2023-09-25 Jonathan Granot , Michael Rabinovich

The magnetic energy of nonlinear Alfven waves in compressible plasmas may be ponderomotively coupled only to ion-acoustic quasi-modes which modulate the wave phase velocity and cause wave-front steepening. In the collisionless plasma with…

Astrophysics · Physics 2009-10-31 M. V. Medvedev

It is generally accepted that magnetic fields generated in the nonlinear development of the transverse Weibel instability provide effective collisionality in unmagnetized collisionless shocks. Recently, extensive two and three dimensional…

Astrophysics · Physics 2009-11-13 Milos Milosavljevic , Ehud Nakar , Anatoly Spitkovsky

The evolution of the properties of short-scale electrostatic waves across collisionless shocks remains an open question. We use a method based on the interferometry of the electric field measured aboard the magnetospheric multiscale…

Space Physics · Physics 2025-02-26 Ahmad Lalti , Yuri V. Khotyaintsev , Daniel B. Graham , Andris Vaivads

The nonlinear evolution of unstable C-type shocks in weakly ionized plasmas is studied by means of time-dependent magnetohydrodynamical simulations. This study is limited to shocks in magnetically dominated plasmas (in which the Alfven…

Astrophysics · Physics 2009-10-30 James M. Stone

Properties of modified plasma waves in non-linear electrodynamics are investigated. We consider a cold, uniform, collisionless, and magnetized plasma model. Initially, we also assume small amplitude waves and the non-relativistic…

Plasma Physics · Physics 2023-06-27 Leonardo P. R. Ospedal , Fernando Haas

We experimentally probe nonlinear wave propagation in weakly compressed granular media, and observe a crossover from quasi-linear sound waves at low impact, to shock waves at high impact. We show that this crossover grows with the confining…

Soft Condensed Matter · Physics 2015-06-15 Siet van den Wildenberg , Rogier van Loo , Martin van Hecke

We develop a stability theory for two-dimensional periodic traveling waves of general parabolic systems, possibly including conservation laws. In particular, we identify a diffusive spectral stability assumption and prove that it implies…

Analysis of PDEs · Mathematics 2025-08-07 L. Miguel Rodrigues , Aric Wheeler

The formation of thermoacoustic shocks is studied in a fluid complex plasma. The thermoacoustic wave mode can be damped (or anti-damped) when the contribution from the thermoacoustic interaction is lower (or higher) than that due to the…

Plasma Physics · Physics 2024-11-22 A. P. Misra , G. Banerjee

Anisotropic hydrodynamics (aHydro) has proven successful in modeling the evolution of quark-gluon matter created in heavy-ion collisions. The hydrodynamic description of quark-gluon plasma has also been widely used to study sound phenomena,…

Nuclear Theory · Physics 2024-08-13 Aleksandr Kovalenko

In this second paper of a series, we discuss the dynamics of a plasma entering the precursor of an unmagnetized, relativistic collisionless pair shock. We discuss how this background plasma is decelerated and heated through its interaction…

High Energy Astrophysical Phenomena · Physics 2019-10-02 M. Lemoine , A. Vanthieghem , G. Pelletier , L. Gremillet

We are concerned with rigorous mathematical analysis of shock diffraction by two-dimensional convex cornered wedges in compressible fluid flow governed by the nonlinear wave system. This shock diffraction problem can be formulated as a…

Analysis of PDEs · Mathematics 2015-06-04 Gui-Qiang G. Chen , Xuemei Deng , Wei Xiang

We develop a theory based on relative entropy to show the uniqueness and L^2 stability (up to a translation) of extremal entropic Rankine-Hugoniot discontinuities for systems of conservation laws (typically 1-shocks, n-shocks, 1-contact…

Analysis of PDEs · Mathematics 2015-05-19 Nicholas Leger , Alexis Vasseur

Dynamics of a charged relativistic particle in a uniform magnetic field and an obliquely propagating electrostatic shock wave is considered. The system is reduced to a two degrees of freedom Hamiltonian system with slow and fast variables.…

Plasma Physics · Physics 2007-05-23 A. A. Vasiliev

We study the two-dimensional structural stability of shock waves in a compressible isentropic inviscid elastic fluid in the sense of the local-in-time existence and uniqueness of discontinuous shock front solutions of the equations of…

Analysis of PDEs · Mathematics 2019-03-21 Alessandro Morando , Yuri Trakhinin , Paola Trebeschi

This work establishes nonlinear orbital asymptotic stability of scalar radiative shock profiles, namely, traveling wave solutions to the simplified model system of radiating gas \cite{Hm}, consisting of a scalar conservation law coupled…

Analysis of PDEs · Mathematics 2009-05-28 Corrado Lattanzio , Corrado Mascia , Ramon Plaza , Toan Nguyen , Kevin Zumbrun