Interpretation and consequences of large‐scale magnetic variances observed at high heliographic latitude

J. R. Jokipii, J. Kóta, J. Giacalone, T. S. Horbury, E. J. Smith

Research output: Contribution to journalArticlepeer-review

77 Scopus citations

Abstract

We consider recent Ulysses observations of the large‐scale variances in the transverse components of the interplanetary magnetic field. A previously‐suggested theory is shown to provide a good fit to the observed spatial variation and level of the fluctuations. The transport of cosmic rays in the heliosphere will be significantly affected by these fluctuations. In addition to impeding the inward, radial diffusive and drift access of cosmic rays over the poles, the magnetic fluctuations imply a large latitudinal diffusion, caused primarily by the field‐line mixing, or random walk.

Original languageEnglish (US)
Pages (from-to)3385-3388
Number of pages4
JournalGeophysical Research Letters
Volume22
Issue number23
DOIs
StatePublished - Dec 1 1995

ASJC Scopus subject areas

  • Geophysics
  • General Earth and Planetary Sciences

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