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Hypernetted Chain Calculations for Multi‐Component and NonEquilibrium Plasmas
Author(s) -
Bredow R.,
Bornath Th.,
Kraeft W.D.,
Redmer R.
Publication year - 2013
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/ctpp.201200117
Subject(s) - plasma , physics , thomson scattering , warm dense matter , non equilibrium thermodynamics , atomic physics , relaxation (psychology) , opacity , electron , component (thermodynamics) , scattering , computational physics , nuclear physics , thermodynamics , quantum mechanics , psychology , social psychology
We solve the Ornstein‐Zernike equation within the hypernetted chain approximation for dense multi‐component plasmas using effective pair potentials. The method is used to study structural properties of plasmas, for instance in order to explain and predict X‐ray Thomson scattering spectra. Corresponding experiments are performed at free electron lasers such as FLASH Hamburg and LCLS Stanford, or at facilities using energetic optical lasers such as Omega in Rochester and Janus in Livermore. Results for pair distribution functions and static structure factors for dense hydrogen, beryllium, carbon and carbonhydride plasmas are presented. Furthermore, calculations for non‐equilibrium two‐temperature plasmas are performed as well, which are relevant for laserplasma interaction and relaxation phenomena on short time scales. We propose a consistent treatment for the electron‐ion coupling term which leads to a more realistic description of correlation effects. (© 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)