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- L Sorriso-Valvo, R Marino, V Carbone, A Noullez, F Lepreti, P Veltri +3 others
- Physical review letters
- 2007

Direct evidence for the presence of an inertial energy cascade, the most characteristic signature of hydromagnetic turbulence (MHD), is observed in the solar wind by the Ulysses spacecraft. After a brief rederivation of the equivalent of Yaglom's law for MHD turbulence, a linear relation is indeed observed for the scaling of mixed third-order structure… (More)

- E Aurell, U Frisch, A Noullez, M Blank
- 1997

It is shown that the inverse Lagrangian map for the solution of the Burg-ers equation (in the inviscid limit) with Brownian initial velocity presents a bifractality (phase transition) similar to that of the Devil's staircase for the standard triadic Cantor set. Both heuristic and rigorous derivations are given. It is explained why artifacts can easily mask… (More)

A signed measure analysis of two-dimensional intermittent magnetohy-drodynamic turbulence is presented. This kind of analysis is performed to characterize the scaling behavior of the sign-oscillating flow structures, and their geometrical properties. In particular, it is observed that cancellations between positive and negative contributions of the field… (More)

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