Levy stable distribution and [0,2] power law dependence of acoustic absorption on frequency

Details Levy stable distribution and [0,2] power law dependence of acoustic absorption on frequency Levy stable distribution and [0,2] power law dependence of acoustic absorption on frequency

2005-05-09

arxiv.org/abs/physics/0505057v1

Physics

Biological Physics

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Scientific paper

10.1088/0256-307X/22/10/040

The absorption of acoustic wave propagation in a broad variety of lossy media is characterized by an empirical power law function of frequency, w^y. It has long been noted that exponent y ranges from 0 to 2 for diverse media. Recently, the present author developed a fractional Laplacian wave equation to accurately model the power law dissipation, which can be further reduced to the fractional Laplacian diffusion equation. The latter is known underlying the Levy stable distribution theory. Consequently, the parameters y is found to be the Levy stability index, which is known bounded within 0

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