Surface conductivity of Mercury provides current closure and may affect magnetospheric symmetry

@inproceedings{Janhunen2004SurfaceCO,
  title={Surface conductivity of Mercury provides current closure and may affect magnetospheric symmetry},
  author={Pekka Janhunen and Esa Kallio},
  year={2004}
}
We study what effect a possible surface conductivity of Mercury has on the closure of magnetospheric currents by making six runs with a quasi-neutral hybrid simulation. The runs are otherwise identical but use different synthetic conductivity models: run 1 has a fully conducting planet, run 2 has a poorly conducting planet ( σ=10−8−1 m−1) and runs 3–6 have one of the hemispheres either in the dawn-dusk or day-night directions, conducting well, the other one being conducting poorly. Although… CONTINUE READING

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