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      Heating the outer heliosphere by pickup protons

      Smith, Charles W.; Isenberg, Philip A.; Matthaeus, William H.; Richardson, John D.; Oughton, Sean; Zank, Gary P.
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      Heating the outer heliosphere.pdf
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      DOI
       10.1063/1.1809541
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      Smith, C. W., Isenberg, P. A., Matthaeus, W. H., Richardson, J. D., Oughton, S. Zank, G. P. (2004). Heating the outer heliosphere by pickup protons. In V. Florinski, N. V., Pogorelov & G. P. Zank (Eds.), Physics of the Outer Heliosphere: Third International IGPP Conference.
      Permanent Research Commons link: https://hdl.handle.net/10289/8596
      Abstract
      There is a growing body of literature that demonstrates the ability of a turbulent cascade within the solar wind to heat the thermal protons. Several sources of energy are required to accomplish the observed heating. Wind shear and shocks originating with the multiple source of wind plasma heat the wind inside ∽AU. However, beyond this distance little is left of these sources and all that remains is the energy injected into the plasma by the pickup of newborn protons originating from interstellar neutrals. Recent advances in the theory of wave excitation by the newborn protons allows us to return to the published heating theory and remove a previously unexplained parameterization of the heating due to pickup protons. Furthermore, recent observational evidence suggests that large-scale correlations between the wind speed and the proton temperature exist into the distant outer heliosphere that motivate an attempt to connect the two within the structure of the heating theory.
      Date
      2004
      Type
      Conference Contribution
      Publisher
      American Institute of Physics
      Rights
      © 2004 American Institute of Physics.
      Collections
      • Computing and Mathematical Sciences Papers [1385]
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