scholarly journals Sensitivity of holographic N=4 SYM plasma hydrodynamics to finite coupling corrections

2018 ◽  
Vol 98 (6) ◽  
Author(s):  
Alex Buchel
Keyword(s):  
Plasma Hydrodynamics

scholarly journals Directional soliton and breather beams

2019 ◽  
Vol 116 (20) ◽  
pp. 9759-9763 ◽  
Author(s):  
Amin Chabchoub ◽  
Kento Mozumi ◽  
Norbert Hoffmann ◽  
Alexander V. Babanin ◽  
Alessandro Toffoli ◽  
...  
Keyword(s):  
High Speed ◽  
Evolution Equations ◽  
Rogue Waves ◽  
Fundamental Solutions ◽  
Dispersive Media ◽  
Unstable Wave ◽  
Practical Applications ◽  
Wide Range ◽  
Plasma Hydrodynamics ◽  
Crest Length

Solitons and breathers are nonlinear modes that exist in a wide range of physical systems. They are fundamental solutions of a number of nonlinear wave evolution equations, including the unidirectional nonlinear Schrödinger equation (NLSE). We report the observation of slanted solitons and breathers propagating at an angle with respect to the direction of propagation of the wave field. As the coherence is diagonal, the scale in the crest direction becomes finite; consequently, beam dynamics form. Spatiotemporal measurements of the water surface elevation are obtained by stereo-reconstructing the positions of the floating markers placed on a regular lattice and recorded with two synchronized high-speed cameras. Experimental results, based on the predictions obtained from the (2D + 1) hyperbolic NLSE equation, are in excellent agreement with the theory. Our study proves the existence of such unique and coherent wave packets and has serious implications for practical applications in optical sciences and physical oceanography. Moreover, unstable wave fields in this geometry may explain the formation of directional large-amplitude rogue waves with a finite crest length within a wide range of nonlinear dispersive media, such as Bose–Einstein condensates, solids, plasma, hydrodynamics, and optics.

Interaction of two neighboring laser beams taking into account the effects of plasma hydrodynamics

1997 ◽  
Vol 4 (7) ◽  
pp. 2670-2680 ◽  
Author(s):  
S. Hüller ◽  
Ph. Mounaix ◽  
V. T. Tikhonchuk ◽  
D. Pesme
Keyword(s):  
Laser Beams ◽  
Plasma Hydrodynamics

scholarly journals On the Vanishing Electron-Mass Limit in Plasma Hydrodynamics in Unbounded Media

2012 ◽  
Vol 22 (6) ◽  
pp. 985-1012 ◽  
Author(s):  
Donatella Donatelli ◽  
Eduard Feireisl ◽  
Antonín Novotný
Keyword(s):  
Electron Mass ◽  
Mass Limit ◽  
Unbounded Media ◽  
Plasma Hydrodynamics

scholarly journals Analog of Planck's constant for a colloid system

2020 ◽  
Vol 61 (3) ◽  
pp. 1-16
Author(s):  
Boris A. Markov ◽  
◽  
Yury I. Sukharev ◽  
Keyword(s):  
Charged Particles ◽  
Type Equation ◽  
Quantum Effects ◽  
Colloidal System ◽  
Colloidal Systems ◽  
Planck Constant ◽  
Macroscopic Quantum ◽  
Plasma Hydrodynamics ◽  
Macroscopic Quantum Effects ◽  
Characteristic Features

Based on the assumption of the instability of the colloidal state caused by the movement of charged particles, we previously obtained equations characterizing the structure of the colloid: a Schrödinger-type equation that defines the redistribution of thermal and potential energy in the colloid and a material equation – the diffusion equation with the Liesegang operator, which is connected directly with the substance, allowing find breaks in structures caused by vibrations of electrically charged particles. Such effects for colloidal chemical manifestations are called macroscopic quantum effects. That is, macroscopic quantum effects are a combination of phenomena in which the characteristic features of quantum mechanics are directly manifested in the behavior of macroscopic, for example, colloidal objects. As a rule, the behavior of macroscopic objects contains a large number of atoms and is described with high accuracy by the equations of classical physics, which do not include the characteristic quantum value – the constant bar. Based on the equations constructed by the authors, which are the equations of plasma hydrodynamics, a mathematical model is created that reduces the colloidal system to an equation similar to the Schrödinger equation and calculates a certain constant that is an analogue of the Planck constant for macroscopic colloidal systems and computes the constant of this equation , which is equal in magnitude . It differs significantly in magnitude from the Planck constant, because it characterizes the already complex macroscopic quantum oxyhydrate colloidal system.

scholarly journals Effect of plasma hydrodynamics on laser-produced bremsstrahlung MeV photon dose

2020 ◽  
Vol 27 (11) ◽  
pp. 113108
Author(s):  
C. Courtois ◽  
A. Compant La Fontaine ◽  
T. Bonnet ◽  
F. Gobet ◽  
F. Hannachi ◽  
...  
Keyword(s):  
Photon Dose ◽  
Plasma Hydrodynamics
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