Multifractal Turbulence at the Termination Shock

被引：7

作者：

Macek, Wieslaw M. ^{[1
,2
]}

Wawrzaszek, Anna ^{[2
]}

机构：

[1] Cardinal Stefan Wyszynski Univ, Fac Math & Nat Sci, Woycickiego 1-3, PL-01938 Warsaw, Poland

[2] Polish Acad Sci, Space Res Ctr, PL-00716 Warsaw, Poland

来源：

TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE | 2010年 / 1216卷

关键词：

turbulence; multifractals; termination shock; interplanetary magnetic fields; HELIOSPHERIC MAGNETIC-FIELD; STRANGE ATTRACTORS; SOLAR-WIND; GENERALIZED DIMENSIONS; CASCADE MODEL; INTERMITTENCY; AU;

D O I：

10.1063/1.3395930

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the multifractal spectra of fluctuations of the interplanetary magnetic field strength before and after shock crossing by Voyager 1 near 85 and 95 AU from the Sun, correspondingly. We show that the multifractal scaling of magnetic fields is asymmetric in the outer heliosphere, in contrast to the symmetric spectrum observed in the heliosheath. Moreover, we show that the degree of multifractality of the solar wind before shock crossing is greater than that in the heliosheath, where the turbulence may become roughly monofractal.

引用

页码：572 / +

页数：2

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