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Rank-ordered multifractal spectrum for intermittent fluctuations

Tom Chang and Cheng-chin Wu
Phys. Rev. E 77, 045401(R) – Published 4 April 2008

Abstract

The hallmark of nonlinear complexity phenomena in magnetohydrodynamic and plasma turbulence as well as all natural sciences is the appearance of intermittent fluctuating events. We introduce here a unique procedure that is both physically explicable and quantitatively accurate in deciphering the multifractal characteristics of intermittency. The generic character of the procedure provides a natural connection between the suggested spectrum based on rank order and the idea of one-parameter scaling for monofractals. We demonstrate the utility of this method using results obtained from a large scale two-dimensional magnetohydrodynamic simulation mimicking solar wind turbulence.

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  • Received 27 December 2007

DOI:https://doi.org/10.1103/PhysRevE.77.045401

©2008 American Physical Society

Authors & Affiliations

Tom Chang

  • Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

Cheng-chin Wu

  • Institute of Geophysics and Planetary Physics, University of California, Los Angeles, California 90095, USA

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Vol. 77, Iss. 4 — April 2008

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