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Abstract
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.
Acknowledgements
The author thanks Professors N. Afanasiev, C.R. Gwinn, and B.J. Rickett for fruitful discussions as well as the Pushchino Radio Astronomy Observatory for hospitality during the international colloquium ‘Scattering and Scintillation in Radioastronomy’. This research was partly done with the project INTAS-03-5727.