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Mean power transmission for one-dimensional random wave propagation using a cumulant expansion

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  • Verheggen, Th.M.M.

Abstract

In this paper the problem of the mean power transmission for one-dimensional wave propagation in a random medium is studied. We use a cumulant technique valid for small αk0Lc where α measures the size of the fluctuations, Lc is the correlation length of the random wave number, and k0 is the undisturbed wave number. We obtain an integral expression for the mean transmitted power. It shows exponential decay for large width, and linear decay for small width. The relevant scale to measure the width of the slab is α2k20∫∞0C(x)cos(2k0x)dx where C(x) is the autocorrelation of the random wave number.

Suggested Citation

  • Verheggen, Th.M.M., 1978. "Mean power transmission for one-dimensional random wave propagation using a cumulant expansion," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 90(3), pages 606-618.
    • Handle: RePEc:eee:phsmap:v:90:y:1978:i:3:p:606-618
    DOI: 10.1016/0378-4371(78)90013-4
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