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Spectral condensation of turbulence in plasmas and fluids and its role in low-to-high phase transitions in toroidal plasma

Shats, Michael; Xia, Hua; Punzmann, Horst

Description

Transitions from turbulence to order are studied experimentally in thin fluid layers and in magnetically confined toroidal plasma. It is shown that turbulence self-organizes through the mechanism of spectral condensation in both systems. The spectral redistribution of the turbulent energy leads to the reduction in the turbulence level, generation of coherent flow, reduction in the particle diffusion, and increase in the system’s energy. The higher-order state in the plasma is sustained via the...[Show more]

CollectionsANU Research Publications
Date published: 2005-04-28
Type: Journal article
URI: http://hdl.handle.net/10440/723
http://digitalcollections.anu.edu.au/handle/10440/723
Source: Physical Review E-Statistical, Nonlinear and Soft Matter Physics
DOI: 10.1103/PhysRevE.71.046409

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