Pick-up ion energization at the termination shock

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One-dimensional hybrid simulations are used to investigate how pickup ions are energized at the perpendicular termination shock. Contrary to previous models based on pickup ion energy gain by repeated crossings of the shock front (shock surfing) or due to a reforming shock front, the present simulations show that pickup ion energy gain involves a gyro-phasedependent interaction with the inhomogeneous motional electric field at the shock. The process operates at all relative concentrations of pickup ion density.

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Gary, S Peter; Winske, Dan; Wu, Pin & Schwadron, N A January 1, 2009.

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Description

One-dimensional hybrid simulations are used to investigate how pickup ions are energized at the perpendicular termination shock. Contrary to previous models based on pickup ion energy gain by repeated crossings of the shock front (shock surfing) or due to a reforming shock front, the present simulations show that pickup ion energy gain involves a gyro-phasedependent interaction with the inhomogeneous motional electric field at the shock. The process operates at all relative concentrations of pickup ion density.

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  • Journal Name: Geophysical Research Letters

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  • Report No.: LA-UR-09-01170
  • Report No.: LA-UR-09-1170
  • Grant Number: AC52-06NA25396
  • Office of Scientific & Technical Information Report Number: 956557
  • Archival Resource Key: ark:/67531/metadc933692

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  • January 1, 2009

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 6:50 p.m.

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Gary, S Peter; Winske, Dan; Wu, Pin & Schwadron, N A. Pick-up ion energization at the termination shock, article, January 1, 2009; [New Mexico]. (digital.library.unt.edu/ark:/67531/metadc933692/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.