Results 251 to 260 of about 2,836,205 (289)

Chaos-induced intensification of wave scattering

Physical Review E, 2005
Sound-wave propagation in a strongly idealized model of the deep-water acoustic waveguide with a periodic range dependence is considered. It is investigated how the phenomenon of ray and wave chaos affects the sound scattering at a strong mesoscale inhomogeneity of the refractive index caused by the synoptic eddy.
I P, Smirnov, A L, Virovlyansky, M, Edelman, G M, Zaslavsky   +3 more
openaire   +2 more sources

Bifurcations, chaos and control of chaos in spin-wave instabilities

Journal of Magnetism and Magnetic Materials, 1992
Abstract An experimental study of microwave pumped spin-wave instabilities in YIG reveals new types of bifurcations and the possibility of controlling chaos with a small perturbation in a system parameter.
Antonio Azevedo, Sergio M. Rezende
openaire   +1 more source

Wave Chaos in Elastodynamics

2001
Recent years have demonstrated that ultrasonic waves in solids permit investigations of wave chaos, reverberation and multiple scattering that complement those of microwaves, optics and electronics. The large quality factors that can be achieved with elastic waves, their relatively slow wave speed, and their good impedance mismatch with the laboratory,
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A possible plasma wave chaos

Physics of Fluids B: Plasma Physics, 1990
A model equation for the ionization wave (Duffing’s equation) is studied. The system shows chaotic behavior via an intermittent route to chaos. It is left for experimentalists to devise experiments to test the theoretical predictions.
Mitsuhiro Nambu, Tetsuji Kawabe
openaire   +1 more source

Wave Chaos and Chaotic Transmission of Waves

1997
Abstract : Our goal is to develop an analytical and numerical approach to diagnose arrival sound waves from long-distanced sources on the basis of the most advanced methods of dynamics that include ray dynamics, wave dynamics reconstruction on the basis of ray dynamics, specific asymptotic solutions in the short-wave approximation, and specific ...
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Spatiotemporal Chaos in Interfacial Waves

1991
Spatiotemporal chaos occurs in many hydrodynamic systems. This state is distinguished from temporal chaos by at least partial loss of coherence between different spatial regions, and from fully developed turbulence by the absence of a cascade. Several experimental and theoretical examples of spatiotemporal chaos are briefly reviewed.
Gollub, Jerry P., Ramshanker, R.
openaire   +1 more source

Intrinsic chaos in a plasma wave

Physics of Fluids B: Plasma Physics, 1990
The linear plasma response to an electrostatic wave is described by the Van Kampen–Case–Siewert (VCS) modal structure using Lie transform techniques. The VCS structure, which is well known to give rise to Landau damping, is also proved to be responsible for chaotic particle response and diffusion in phase space in the quasilinear limit.
R. Uma, D. Subbarao
openaire   +1 more source

Controlling spin-wave chaos

Journal of Applied Physics, 1994
Microwave pumped spin-wave instabilities in YIG spheres were one of the first experimental systems used to demonstrate that chaos can be suppressed by small periodic modulations in an accessible system parameter. Here we show that the equations describing two interacting spin-wave modes account satisfactorily for the experimental results, as long as ...
S. M. Rezende, F. M. de Aguiar, A. Azevedo   +2 more
openaire   +1 more source

Wave-particle chaos in the magnetosphere

Physica D: Nonlinear Phenomena, 1994
Abstract The nonlinear interaction between the bounced motion of a proton and the kinetic Alfven wave excited in the magnetosphere is studied. Using the Poincare surface of section technique, the motion of the proton is traced numerically in phase space.
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Nonlinear Waves, Solitons and Chaos

2000
This revised and updated second edition of a highly successful book is the only text at this level to embrace a universal approach to three major developments in classical physics; namely nonlinear waves, solitons and chaos. The authors now include new material on biology and laser theory, and go on to discuss important recent developments such as ...
Eryk Infeld, George Rowlands
openaire   +1 more source