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Related papers: On the linear mirror mode threshold in high-$\beta…

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We analyze the classical dynamics of a system composed of a one-dimensional cavity with a perfect, fixed mirror and a movable mirror with non-zero transparency interacting with a monochromatic laser. The movable mirror can deviate far from…

Quantum Physics · Physics 2014-11-11 Luis Octavio Castaños , Ricardo Weder

We perform direct analysis of mirror mode instabilities from the general dielectric tensor for several model distributions, in the longwavelength limit. The growth rate at the instability threshold depends on the derivative of the…

Space Physics · Physics 2009-11-06 M. Gedalin , Yu. E. Lyubarsky , M. Balikhin , R. J. Strangeway , C. T. Russell

The stabilization of ``rigid'' flute and ballooning modes $m = 1$ in an axisymmetric mirror trap with the help of an ideally conducting lateral both in the presence and in the absence of end MHD anchors is studied. The calculations were…

Plasma Physics · Physics 2023-01-10 Igor Kotelnikov , Vadim Prikhodko , Dmitri Yakovlev

Since the first observations by Kaufmann et al.\ (1970), special attention has been paid to static pressure-balanced structures in the form of magnetic holes or humps observed in regions of the solar wind and of planetary magnetosheaths…

Plasma Physics · Physics 2015-05-28 P. -L. Sulem

In this work linear stability analysis of a magnetized dusty plasma with an anisotropic dust component having transversal motions much stronger than motions parallel to the external magnetic field, and isotropic light plasma components is…

Plasma Physics · Physics 2015-05-13 V. V. Prudskikh , L. V. Kostyukova , Yu. A. Shchekinov

Nonlinear effects of the trapping of resonant particles by the combined action of the electric field and the magnetic mirror force is studied using a gyrokinetic description that includes the finite Larmor radius effects. A general…

Plasma Physics · Physics 2017-05-09 Dusan Jovanovic , Olga Alexandrova , Milan Maksimovic , Milivoj Belic

We report on attosecond-scale control of high-harmonic and electron emission from plasma mirrors driven by relativistic-intensity near-single-cycle lightwaves at kHz repetition rate. By controlling the waveform of the intense light…

Plasma Physics · Physics 2024-08-27 Marie Ouillé , Jaismeen Kaur , Zhao Cheng , Stefan Haessler , Rodrigo Lopez-Martens

We present measurements of high-order harmonics and relativistic electrons emitted into the vacuum from a plasma mirror driven by temporally-shaped ultra-intense laser waveforms, produced by collinearly combining the main laser field with…

The onset and evolution of magnetic fields in laboratory and astrophysical plasmas is determined by several mechanisms, including instabilities, dynamo effects and ultra-high energy particle flows through gas, plasma and interstellar-media.…

Plasma Physics · Physics 2015-05-20 A. Flacco , J. Vieira , A. Lifschitz , F. Sylla , S. Kahaly , M. Veltcheva , L. O. Silva , V. Malka

Although it is well recognized that waves propagating in periodic media have forbidden gaps in the continuous spectrum, it is still yet unknown about the minimum number and depth of periodic modulations for clear spectral formation. This…

Plasma Physics · Physics 2018-11-30 Lei Chang

The ICM plasma is subject to firehose and mirror instabilities at scales of order the ion Larmor radius. The mirror instability generates fluctuations of magnetic-field strength $\delta B / B \sim 1$. These fluctuations act as magnetic…

High Energy Astrophysical Phenomena · Physics 2016-06-06 S. V. Komarov , E. M. Churazov , M. W. Kunz , A. A. Schekochihin

Kinetic effects in plasma flow due to a finite ion temperature and ion reflections in a converging-diverging magnetic nozzle are investigated with collisionless quasineutral hybrid simulations with kinetic ions and isothermal Boltzmann…

Plasma Physics · Physics 2022-10-25 Marilyn Jimenez , Andrei Smolyakov , Oleksandr Chapurin , Peter Yushmanov

The relationship between a decaying strong turbulence and the mirror instability in a slowly expanding plasma is investigated using two-dimensional hybrid expanding box simulations. We impose an initial ambient magnetic field perpendicular…

Space Physics · Physics 2017-04-12 P. Hellinger , S. Landi , L. Matteini , A. Verdini , L. Franci

We demonstrate by computer simulations, laser plasma experiments, and analytic theory that a hitherto unknown instability is excited in the beam plasma system with finite transverse size. This instability is responsible for the generation…

We show that temperature anisotropies induced at a shock can account for interplanetary and planetary bow shock observations. Shocked plasma with enhanced plasma beta is preferentially unstable to the mirror mode instability downstream of a…

Astrophysics · Physics 2010-11-11 Y. Liu , J. D. Richardson , J. W. Belcher , J. C. Kasper

We present a drift kinetic model for the free expansion of a thermal plasma out of a magnetic nozzle. This problem relates to plasma space propulsion systems, natural environments such as the solar wind, and end losses from the expander…

The relaxation of a helical magnetic field ${\bf B}({\bf x}, t)$ in a high-conductivity plasma contained in the annulus between two perfectly conducting coaxial cylinders is considered. The plasma is of low density and its pressure is…

Plasma Physics · Physics 2017-12-06 Henry Keith Moffatt , Krzysztof Andrzej Mizerski

Mirror modes are ubiquitous in space plasma and grow from pressure anisotropy. Together with other instabilities, they play a fundamental role in constraining the free energy contained in the plasma. This study focuses on mirror modes…

Physics of the plasma rotation driven by biasing in linear traps is analyzed for two limiting cases. The first, relevant for traps with decent plasma parameters, considers the line-tying effects to be responsible for the drive as well as…

Plasma Physics · Physics 2024-12-04 Alexei D. Beklemishev

The advent of ultrahigh-power femtosecond lasers creates a need for optical components suitable to handle ultrahigh light intensities. Due to the unavoidable laser-induced ionization of matter, these components will have to be based on a…

Plasma Physics · Physics 2015-06-18 H. Vincenti , S. Monchocé , S. Kahaly , Ph. Martin , F. Quéré