| Autor: |
Jha, R., Kaw, P. K., Kulkarni, D. R., Parikh, J. C. |
| Předmět: |
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| Zdroj: |
Physics of Plasmas; Mar2003, Vol. 10 Issue 3, p699, 6p |
| Abstrakt: |
The time series of floating potential and poloidal electric field fluctuations in the edge plasma of ohmically heated ADITYA tokamak [Phys. Plasmas 4, 4292 (1997)] are analyzed for self-similarity. It is observed that the distribution function of a sum of n data points converges to a self-similar distribution of Lévy scale index, α=1.1-1.3 for n≤40 and α=1.8-2.0 for larger n. This shows that the scaling properties of small scale fluctuations are non-Gaussian and those of large scale fluctuations are Gaussian. Implication of this observation to our understanding of plasma transport is discussed. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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