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Frequency dependence on space-time for elastomagnetic propagation in dispersive medium
Arch. Mech. 51 (1), 33-46, 1999
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Abstract
Propagation of an electromagnetic high-frequency modulated signal in a lossy dispersive Lorentz medium is reconsidered. A new approximate solution is found to the equation relating complex frequency of the propagating signal and the space-time point. This solution is compared numerically with the solution to the saddle point equation in the special case of the Brillouin medium parameters.