THE TERRESTRIAL RING CURRENT,
Abstract
Several people have computed numerically the magnetic field caused by an axially symmetric body of plasma imbedded in a dipole magnetic field. An approximate formula for this magnetic field is derived without first choosing a particular functional form for the plasma density. This has the consequence that one can easily discuss any particular case without recourse to a computer, whereas previous treatments resulted in a tabulation of an answer for a particular case only, and new cases required new computer runs. The method used avoids the usual fine net required by the singularity in the integrand. This is achieved by constructing a new quadrature formula which treats this singularity exactly. The then permitted coarse net makes possible an algebraic treatment rather than a numerical one. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1964
- Accession Number
- AD0443406
Entities
People
- Ernest C. Ray
Organizations
- RAND Corporation