Statistics of coherent waves inside media with Lévy disorder
Statistics of coherent waves inside media with Lévy disorder
复制标题
具有Lévy无序的介质内相干波的统计
DOI:
10.1103/physrevresearch.3.023035
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发表时间:
2021
影响因子:
4.2
通讯作者:
Gopar, Victor A.
中科院分区:
文献类型:
--
作者:
Razo-López, Luis A.;Genack, Azriel Z.;Gopar, Victor A.
Structures with heavy-tailed distributions of disorder occur widely in nature. The evolution of such systems, as in foraging for food or the occurrence of earthquakes, is generally analyzed in terms of an incoherent series of events. But the study of wave propagation or lasing in such systems requires the consideration of coherent scattering. We consider the distribution of wave energy inside one-dimensional random media in which the spacing between scatterers follow a Lévy-stable distribution characterized by a power-law decay with exponent. We show that the averages of the intensity and logarithmic intensity are given in terms of the average of the logarithm of transmission and the depth into the sample raised to the power. Mapping the depth into the sample to the number of scattering elements yields intensity statistics that are identical to those found for Anderson localization in standard random media. This allows for the separation for the impacts of disorder distribution and wave coherence in random media.
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影响因子:
19.6
作者:
N. Mercadier;W. Guerin;M. Chevrollier;R. Kaiser
通讯作者:
N. Mercadier;W. Guerin;M. Chevrollier;R. Kaiser
DOI:
--
发表时间:
1986
期刊:
影响因子:
--
作者:
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P. A. Mello
DOI:
--
发表时间:
2007
期刊:
影响因子:
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DOI:
--
发表时间:
2020
期刊:
影响因子:
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通讯作者:
U. Zaragoza
影响因子:
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作者:
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