Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Wave field correlations in weakly mismatched random media   This paper concerns the derivation of a Fokker-Planck equation for the
correlation of two high frequency wave fields propagating in two different
random media. The mismatch between the random media need be small, on the order
of the wavelength, and their correlation length need be large relative to the
wavelength. The loss of correlation caused by the mismatch in the random media
is quantified and the limit process for the phase difference is obtained. The
derivation is based on a random Liouville equation to model high frequency
correlations and on the method of characteristics to characterize mixing in the
random Liouville equation. Applications of such correlation loss include the
monitoring in time of random media and the analysis of time reversed waves in
changing heterogeneous domains.

15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
10
The categories of this paper are: q-bio