Laboratory evidence for stochastic plasma-wave growth
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Austin, D.R; Hole, Matthew; Robinson, Peter A; Cairns, Iver Hugh; Dallaqua, R.S
Description
The first laboratory confirmation of stochastic growth theory is reported. Floating potential fluctuations are measured in a vacuum arc centrifuge using a Langmuir probe. Statistical analysis of the energy density reveals a lognormal distribution over roughly 2 orders of magnitude, with a high-field nonlinear cutoff whose spatial dependence is consistent with the predicted eigenmode profile. These results are consistent with stochastic growth and nonlinear saturation of a spatially extended...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007-11-14 |
Type: | Journal article |
URI: | http://hdl.handle.net/10440/968 http://digitalcollections.anu.edu.au/handle/10440/968 |
Source: | Physical Review Letters |
DOI: | 10.1103/PhysRevLett.99.205004 |
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Austin_LaboratoryEvidence2007.pdf | 357.02 kB | Adobe PDF |
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