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Extent of validity of the hydrodynamic description of ions in dense plasmas

Mithen, JP, Daligault, J and Gregori, G (2011) Extent of validity of the hydrodynamic description of ions in dense plasmas Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 83 (1).

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Abstract

We show that the hydrodynamic description can be applied to modeling the ionic response in dense plasmas for a wide range of length scales that are experimentally accessible. Using numerical simulations for the Yukawa model, we find that the maximum wave number kmax at which the hydrodynamic description applies is independent of the coupling strength, given by k maxλs 0.43, where λs is the ionic screening length. Our results show that the hydrodynamic description can be used for interpreting x-ray scattering data from fourth generation light sources and high power lasers. In addition, our investigation sheds new light on how the domain of validity of the hydrodynamic description depends on both the microscopic properties and the thermodynamic state of fluids in general. © 2011 American Physical Society.

Item Type: Article
Authors :
NameEmailORCID
Mithen, JPj.mithen@surrey.ac.ukUNSPECIFIED
Daligault, JUNSPECIFIEDUNSPECIFIED
Gregori, GUNSPECIFIEDUNSPECIFIED
Date : 11 January 2011
Identification Number : https://doi.org/10.1103/PhysRevE.83.015401
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:28
Last Modified : 17 May 2017 12:28
URI: http://epubs.surrey.ac.uk/id/eprint/835439

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