Statistics – Computation
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ieeep..68.1380m&link_type=abstract
IEEE, Proceedings, vol. 68, Nov. 1980, p. 1380-1395.
Statistics
Computation
3
Computerized Simulation, Elementary Excitations, Particle Motion, Space-Time Functions, Wave Packets, Wave Propagation, Amplitude Distribution Analysis, Nonlinear Equations, Particle Trajectories, Propagation Modes, Quantum Mechanics, Turbulence Effects, Wave Dispersion, Wave Equations
Scientific paper
A mixed analytical and computational technique of treating the propagation of single-mode wavepackets in inhomogeneous, time-varying, nonlinear, or turbulent media is examined. The wavetrain is considered kinetically as a system of 'quasiparticles' whose distribution in position and momentum space makes it possible to determine space-time dependent properties such as envelope amplitude and phase. The overall system of quasiparticles develops in a singular manner dependent on the initial configuration and on the effects of trapped and untrapped particles; a 'fluid dynamic' description is derived similar to other averaging procedures for analyzing wave train propagation.
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