The role of particle drifts in solar modulation

Details The role of particle drifts in solar modulation The role of particle drifts in solar modulation

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..836l&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Sept. 1, 1981, p. 836-844; Comment, p. 845, 846.

Astronomy and Astrophysics

Astrophysics

35

Cosmic Rays, Energetic Particles, Interplanetary Medium, Plasma Drift, Solar Magnetic Field, Solar Wind, Boltzmann Transport Equation, Interplanetary Magnetic Fields, Magnetic Field Configurations, Modulation, Particle Motion, Transport Theory

Scientific paper

The work of Isenberg and Jokipii (1979) is examined and it is shown that their extension of the conventional drift-flux formula to static magnetic fields of arbitrary spatial variation is invalid for interplanetary cosmic-ray transport. A field configuration involving helical magnetic fields which suppresses curvature and gradient drift and which may occur in the solar wind is presented. It is concluded that the conventional drift-flux contribution to the solar modulation of cosmic rays may, but need not, be important.

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