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The expansion of a dense plasma through a more rarefied ionised medium is a phenomenon of interest in various physics environments ranging from astrophysics to high energy density laser- matter laboratory experiments. Here this situation is…

Plasma Physics · Physics 2015-05-19 G. Sarri , I. Kourakis , M. E. Dieckmann , M. Borghesi

It is demonstrated experimentally that strongly-coupled plasma exhibits solid superheating. A 2D suspension of microspheres in dusty plasma, initially self-organized in a solid lattice, was heated and then cooled rapidly by turning laser…

Soft Condensed Matter · Physics 2010-09-09 Yan Feng , J. Goree , Bin Liu

We present a technique to measure the time-resolved velocity and ion sound speed in magnetized, supersonic high-energy-density plasmas. We place an inductive (`b-dot') probe in a supersonic pulsed-power-driven plasma flow and measure the…

Plasma Physics · Physics 2023-06-08 R. Datta , D. R. Russell , T. Clayson , J. P. Chittenden , S. V. Lebedev , J. D. Hare

Three-dimensional (3D) particle-in-cell (PIC) simulations are used to investigate the interaction of ultrahigh intensity lasers ($> 10^{20}$ W/cm$^{-2}$) with matter at overcritical densities. Intense laser pulses are shown to penetrate up…

Plasma Physics · Physics 2012-05-15 F. Fiuza , R. A. Fonseca , L. O. Silva , J. Tonge , J. May , W. B. Mori

The microscopic structure within a two-dimensional shock was studied using data from a dusty plasma experiment. A single layer of charged microparticles, levitated in a glow-discharge plasma, was perturbed by an electrically floating wire…

Plasma Physics · Physics 2024-09-06 Anton Kananovich , J. Goree

The interaction between the supersonic jet and background can influence the process of star formation, and this interaction also results in a change of the jet's velocity, direction and density through shock waves. However, due to the…

Plasma Physics · Physics 2024-01-31 Z. Lei , Z. H. Zhao , Y. Xie , W. Q. Yuan , 1 L. X. Li , H. C. Gu , X. Y. Li , B. Q. Zhu , J. Q. Zhu , S. P. Zhu , X. T. He , B. Qiao

Complex plasmas are low-temperature plasmas that contain micrometer-size particles in addition to the neutral gas particles and the ions and electrons that make up the plasma. The microparticles interact strongly and display a wealth of…

Plasma Physics · Physics 2014-12-09 Mierk Schwabe , David B. Graves

The formation of Mach cones is studied in a full $(3+1)$-dimensional setup of ultrarelativistic heavy-ion collisions, considering a transverse and longitudinal expanding medium at Relativistic Heavy-Ion Collider energies. For smooth initial…

High Energy Physics - Phenomenology · Physics 2014-09-30 I. Bouras , B. Betz , Z. Xu , C. Greiner

Employing acoustofluidic simulations, we study the propulsion of cone-shaped nano- and microparticles by a traveling ultrasound wave. In particular, we investigate how the acoustic propulsion of the particles depends on their size and the…

Soft Condensed Matter · Physics 2023-07-04 Johannes Voß , Raphael Wittkowski

The formation of unmagnetized electrostatic shock-like structures with a high Mach number is examined with one- and two-dimensional particle-in-cell (PIC) simulations. The structures are generated through the collision of two identical…

Plasma Physics · Physics 2015-06-17 Mark E Dieckmann , Gianluca Sarri , Domenico Doria , Martin Pohl , Marco Borghesi

We investigate in a microscopical transport model the evolution of conical structures originating from the supersonic projectile moving through the matter of ultrarelativistic particles. Using different scenarios for the interaction between…

High Energy Physics - Phenomenology · Physics 2012-08-16 Ioannis Bouras , Andrej El , Oliver Fochler , Harri Niemi , Zhe Xu , Carsten Greiner

Slow dynamics in an amorphous quasi-two-dimensional complex plasma, comprised of microparticles of two different sizes, was studied experimentally. The motion of individual particles was observed using video microscopy, and the self-part of…

This paper introduces a three-dimensional model for the 350kW Plasmatron X inductively coupled plasma facility at the University of Illinois Urbana-Champaign, designed for testing high-temperature materials. Simulations of the facility have…

Plasma Physics · Physics 2025-09-25 Sanjeev Kumar , Alessandro Munafo , Daniel J Bodony , Marco Panesi

We investigate the first sound of a normal dilute and ultracold two-component Fermi gas in a harmonic microtube, i.e. a cylinder with harmonic transverse radial confinement in the length-scale of microns. We show that the velocity of the…

Statistical Mechanics · Physics 2009-11-13 Luca Salasnich , Flavio Toigo

A two-dimensional complex plasma containing active Janus particles was studied experimentally. A single layer of micron-size plastic microspheres was suspended in the plasma sheath of a radio-frequency discharge in argon at low pressure.…

Plasma Physics · Physics 2022-12-14 Volodymyr Nosenko

Using a Generalised-Hydrodynamic (GH) fluid model we study the influence of strong coupling induced modification of the fluid compressibility on the dynamics of compressional Mach cones in a dusty plasma medium. A significant structural…

Plasma Physics · Physics 2016-04-18 P. Bandyopadhyay , R. Dey , Sangeeta Kadyan , Abhijit Sen

The work analytically substantiates the parameters of the surface wave found in numerical modelling of the collision of two oncoming supersonic plasma flows inside a magnetic arc in application to the experiment on the laboratory setup…

A Laval nozzle can accelerate expanding gas above supersonic velocities, while cooling the gas in the process. This work investigates this process for microscopic Laval nozzles by means of non-equilibrium molecular dynamics simulations of…

Statistical Mechanics · Physics 2024-06-14 Helmut Ortmayer , Robert E. Zillich

Particle correlation measurements associated with a hard or semi-hard trigger in heavy-ion collisions may reflect Mach cone shockwaves excited in the bulk medium by partonic energy loss. This is of great interest because, when compared with…

Nuclear Theory · Physics 2010-10-27 R. B. Neufeld , Thorsten Renk

We determine the velocity of sound in the blackbody gas of photons and in the gas of relic photons. Derivation is based on the thermodynamic theory of the photon gas and the Einstein relation between energy and mass. The spectral form for…

General Physics · Physics 2015-03-13 Miroslav Pardy