Thermal effects in intense laser-plasma interactions

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We present an overview of a new warm fluid model that incorporates leading-order kinetic corrections to the cold fluid model without making any near-equilibrium assumptions. In the quasi-static limit we obtain analytical expressions for the momentum spread and show excellent agreement with solutions of the full time-dependant equations. It is shown that over a large range of initial plasma temperatures, the fields are relatively insensitive to the pressure force. We discuss implications of this work for model validation.

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Shadwick, B.A.; Tarkenton, G.M. & Esarey, E.H. October 22, 2004.

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Description

We present an overview of a new warm fluid model that incorporates leading-order kinetic corrections to the cold fluid model without making any near-equilibrium assumptions. In the quasi-static limit we obtain analytical expressions for the momentum spread and show excellent agreement with solutions of the full time-dependant equations. It is shown that over a large range of initial plasma temperatures, the fields are relatively insensitive to the pressure force. We discuss implications of this work for model validation.

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vp.

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INIS; OSTI as DE00838071

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  • The 11th Advanced Accelerator Concepts Workshop 2004, Stony Brook, NY (US), 06/21/2004--06/26/2004

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  • Report No.: LBNL--56574
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 838071
  • Archival Resource Key: ark:/67531/metadc779418

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  • October 22, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 2:37 p.m.

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Shadwick, B.A.; Tarkenton, G.M. & Esarey, E.H. Thermal effects in intense laser-plasma interactions, article, October 22, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc779418/: accessed July 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.