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Real-time programmable metasurface for terahertz multifunctional wave front engineering
Terahertz (THz) technologies have become a focus of research in recent years due to their prominent role in envisioned future communication and...
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Real-time reconfigurable metasurfaces enabling agile terahertz wave front manipulation
Real-time controlled programmable metasurfaces, having an array-of-subarrays architecture under the control of one-bit digital coding sequence, are...
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Interaction of Finite Perturbations with the Front and Singularity of the Profile of a Nonlinear Wave in a Dissipative Medium
The interaction of a short pulse with three types of wave profiles in a nonlinear dissipative medium are described: a stationary shock front of...
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Formation of a Converging Detonation Wave with Reverse Front Curvature
AbstractIn the case of multipoint initiation of the side surface of a cylindrical charge in a section perpendicular to the axis, a detonation wave...
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Kinetic Alfvén Waves’ Generation in Front of the Earth’s Main Shock Wave
AbstractWe investigated the possibility of generating kinetic Alfvén waves by beams of high-speed protons in front of the Earth’s main shock wave. An...
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Effect of a Magnetic Field on Gasdynamic Discontinuities and Stability of the Shock Wave Front
AbstractThe effects related to the effect of an external constant magnetic field on weak and strong discontinuities in gaseous media with finite...
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Flavor asymmetry of light sea quarks in proton: a light-front spectator model
We formulate a light-front spectator model for the proton that incorporates the presence of light sea quarks. In this particular model, the sea...
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Propagation of a Flat Shock Front in an Elastic Layer
AbstractThe problem of a wave front in an anisotropic elastic layer is studied. It is shown that in the case of elastic isotropy, a uniform wave with...
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Numerical Simulation of the Ionization Wave Front in Xe in the Local Energy Approximation of a Continuous Medium Model
AbstractA one-dimensional numerical simulation of the parameters of the front of a negative-polarity ionization wave in Xe under the action of an...
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Propagation of extended fractures by local nucleation and rapid transverse expansion of crack-front distortion
Fractures are ubiquitous and can lead to the catastrophic material failure of materials. Although fracturing in a two-dimensional plane is well...
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Features of the Reflection of Pulse Signals from a Layer with Vapor-Gas Bubbles in Front of a Rigid Wall in Water
AbstractThe paper presents the results of a study of the evolution of a wave signal when reflected from a rigid wall with a vapor-gas bubble...
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Experimental Study of Ar-Gas Radiation Behind the Front of a Strong Shock Wave
Emission spectra of argon behind the front of a strong shock wave are studied in the range of shock-wave velocities of 4.6–8.3 km/s and pressures...
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The Wave Mechanism of “Fast Breakdown” in Compact Intracloud Discharges
We propose a wave mechanism for explaining “fast breakdown” in thunderstorm clouds and the generation of powerful pulses of electromagnetic radiation...
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Wave Dynamics
In this chapter, we focus on the physics behind wave dynamics. After reviewing the harmonic oscillation of point mass-spring systems, we discuss how...
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Excitation and Emission of Argon behind the Front of Shock Waves at Velocities of 4.5–7.8 km/s: I. The Experimental Study
AbstractThe paper presents experimental data on the emission of pure argon behind the front of a strong shock wave in a range of velocities of...
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Generation of Rectangular Nanosecond Electromagnetic Pulses with a Picosecond Rise Front
AbstractA method for generation of ultra-wideband electromagnetic pulses with a nanosecond length and a picosecond rise time has been proposed and...
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On the Structure of a Viscous Shock-Front in a Two-Phase Gas–Particle Medium
The structure of the plane viscous shock-front in a two-phase gas–solid particle medium is investigated with the help of Navier–Stokes relation using...
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Wave Dynamics of Stratified Media with Variable Shear Flows
AbstractIn this work, internal gravity waves are considered that propagate in a stratified medium of finite depth with variable background shear...
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Method for Estimation of Hydroxyl Concentration Behind the Reflected Shock Wave Front Using Broadband Radiation Source and Detector
An absorption spectroscopy method is proposed for estimating hydroxyl concentration behind the reflected shock wave front without lasers and...
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Direct Statistical Monte Carlo Simulation of Argon Radiation Behind the Front of a Strong Shock Wave
AbstractWe describe a technique for modeling the excitation of electronic levels, bremsstrahlung, and photoionization in the Monte Carlo method of...
