Spontaneous axisymmetry breaking of the external magnetic field at Saturn

  title={Spontaneous axisymmetry breaking of the external magnetic field at Saturn},
  author={Peter Goldreich and Alison J. Farmer},
[1] Saturn’s magnetic field is remarkably axisymmetric. Early evidence for nonaxisymmetry came from the periodicity of Saturn’s kilometric radio bursts (SKR). Subsequently, percent-level variations of the SKR period were found to occur on timescales of years. A recent breakthrough has been the direct detection of a nonaxisymmetric component of the field that rotates with a period close to that of the SKR and whose magnitude varies only weakly with distance from Saturn. The latter implies that… CONTINUE READING


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