光束通过星际和星际介质的亚扩散

Q4 Physics and Astronomy

Astronomical and Astrophysical Transactions Pub Date : 2007-12-13 DOI:10.1080/10556790701600242

A. Stanislavsky

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引用次数: 2

摘要

分析了光束在随机非均匀介质中传播时的角分布。这种介质的特点是，由于波在非均匀性中的局部化，波束被困在随机的位置和随机的时间。计算了光束与初始方向的均方差。讨论了该方法在星际和星际湍流介质诊断中的应用。

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Subdiffusion of beams through interplanetary and interstellar media

The angular distribution of beams being propagated through a medium with random inhomogeneities is analysed. The peculiarity of this medium is that beams are trapped at random locations and random times because of wave localisation in the inhomogeneities. The mean-square deviation of the beam from its initial direction is calculated. The application of this method to the diagnostics of interplanetary and interstellar turbulent media is discussed.

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来源期刊

Astronomical and Astrophysical Transactions Physics and Astronomy-Instrumentation

CiteScore

0.40

自引率

0.00%

发文量

期刊介绍： Astronomical and Astrophysical Transactions (AApTr) journal is being published jointly by the Euro-Asian Astronomical Society and Cambridge Scientific Publishers, The journal provides a forum for the rapid publication of material from all modern and classical fields of astronomy and astrophysics, as well as material concerned with astronomical instrumentation and related fundamental sciences. It includes both theoretical and experimental original research papers, short communications, review papers and conference reports.