Temperature equilibration in strongly coupled plasma

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A laser-driven experiment investigating electron-ion equilibration in strongly coupled plasma was performed in 1995. At that time, standard estimates for the electron-ion equilibration time were two-to-three orders of magnitude faster than observed experimentally. As a result, the electron-ion equilibration time was taken as a fitting parameter to understand the experimental results. Based upon guidance from nonequilibrium molecular dynamics mixture calculations 121 and comparison with strongly coupled resistivity experiments, we have developed a consistent binary collision model to understand the electron-ion equilibration experiment. The model has been implemented in a newly developed multi-species, multi-temperature physics code, which was used for simulation ... continued below

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31 p.

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Thode, L. E. (Lester E.); Chang, C. H. (Chia-Hwa); Snell, C. M. (Charles M.); Daughton, W. S. (William S.) & Csanak, G. Y. January 1, 2002.

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A laser-driven experiment investigating electron-ion equilibration in strongly coupled plasma was performed in 1995. At that time, standard estimates for the electron-ion equilibration time were two-to-three orders of magnitude faster than observed experimentally. As a result, the electron-ion equilibration time was taken as a fitting parameter to understand the experimental results. Based upon guidance from nonequilibrium molecular dynamics mixture calculations 121 and comparison with strongly coupled resistivity experiments, we have developed a consistent binary collision model to understand the electron-ion equilibration experiment. The model has been implemented in a newly developed multi-species, multi-temperature physics code, which was used for simulation of the experiment. The resulting electron-ion exchange rate is close to the experiment, which is about three orders-of-magnitude slower than given by standard estimates, most of which is the result of a modified coulomb logarithm.

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31 p.

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  • Submitted to: International conference on strongly coupled coulomb systems, Santa Fe, NM, September 2-6, 2002

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  • Report No.: LA-UR-02-5482
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976319
  • Archival Resource Key: ark:/67531/metadc925817

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 1:39 p.m.

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Thode, L. E. (Lester E.); Chang, C. H. (Chia-Hwa); Snell, C. M. (Charles M.); Daughton, W. S. (William S.) & Csanak, G. Y. Temperature equilibration in strongly coupled plasma, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc925817/: accessed July 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.