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Acoustic gravity tornadoes in the atmosphere
-
- Shukla, P K (author)
- Ruhr University of Bochum, Germany Ruhr University of Bochum, Germany University of Calif San Diego, CA 92093 USA University of Calif San Diego, CA 92093 USA
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- Stenflo, Lennart (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska högskolan
- (creator_code:org_t)
- 2012-11-30
- 2012
- English.
- In: Physica Scripta. - : Institute of Physics. - 0031-8949 .- 1402-4896. ; 86:6
- Journal article (peer-reviewed)
Abstract
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- It is shown that three-dimensional (3D) acoustic gravity waves (AGWs) in the atmosphere can appear in the form of acoustic gravity tornadoes (AGTs) characterized by twisted density structures or density ropes carrying orbital angular momentum. For our purposes, we use a previously obtained 3D wave equation for AGWs, and show that this equation in the paraxial approximation admits solutions in the form of Laguerre-Gauss acoustic gravity vortex beams or AGTs/AG whirls with twisted density structures supporting the dynamics of the AGTs.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
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- ref (subject category)
- art (subject category)
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