Results 251 to 260 of about 4,441,952 (298)
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Ergodicity in wave-wave diffraction
Journal of Physics A: Mathematical and General, 1999Summary: Ray propagation over long distances through a sinusoidal volume grating, where the refractive index varies perpendicular to the direction of incidence, is characterized by a proliferation of caustics. These dominate the distribution of directions (momentum density) of emerging rays.
Berry, MV, O'Dell, DHJ
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Physics Letters A, 1980
Abstract The adiabatic invariant or wave action A for waves propagating in a slightly inhomogeneous medium is considered for the case of drift wave in a magnetized plasma. It is found that A = W, where W is the energy density, instead of the familiar expression W ω .
Biskamp, D., Horton, W.
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Abstract The adiabatic invariant or wave action A for waves propagating in a slightly inhomogeneous medium is considered for the case of drift wave in a magnetized plasma. It is found that A = W, where W is the energy density, instead of the familiar expression W ω .
Biskamp, D., Horton, W.
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Nonlinear wave-wave interactions and wedge waves
Chinese Journal of Oceanology and Limnology, 2005A tetrad mechanism for exciting long waves, for example edge waves, is described based on nonlinear resonant wave-wave interactions. In this mechanism, resonant interactions pass energy to an edge wave, from the three participating gravity waves. The estimated action flux into the edge wave can be orders of magnitude greater than the transfer fluxes ...
Ray Q. Lin, Will Perrie
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Wave-Wave Coupling in Ion Wave Propagation
Journal of the Physical Society of Japan, 1970In the propagation of two ion waves (frequencies f1 and f2) the signal of f1 − f2 is found to grow spacially in some region, contrary to the monotonic damping of the waves of f1 and f2, which is explained as a wave-wave coupling among ion waves.
Toshiro Ohnuma, Yoshisuke Hatta
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Magnetohydrodynamic Waves in Wave Guides
The Physics of Fluids, 1959Propagation of magnetohydrodynamic waves is investigated in a fluid bounded by a cylindrical surface of constant, but not necessarily circular, cross section. The fluid is assumed to be nonviscous and perfectly conducting with a constant magnetic field applied parallel to the walls of the cylinder.
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Long waves, lee waves and gravity waves
Quarterly Journal of the Royal Meteorological Society, 1959AbstractIt is shown that the equation determining the streamlines of large‐scale atmospheric motions (jet streams and long waves) is similar to the equation determining the streamlines of small‐scale gravitational motions of a stratified liquid. Both motions are characterized by the occurrence of jets, the number of jets being determined by the value ...
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Searches for continuous-wave gravitational radiation
Living Reviews in Relativity, 2023Keith Riles
exaly
Waves, Light Waves, Sound Waves, Ultrasound (the Physics of)
2016Mechanical waves (sound waves, waves on water) are a mechanism for transferring energy through a medium (the air or water) without transferring matter. Another definition is: A periodic disturbance in some property of the medium, the medium itself remaining relatively at rest. Waves have the following measurable properties:
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