Dense Plasma Dynamic Structure Factor Simulation Data vs. the Method of Moments

Dense Plasma Dynamic Structure Factor Simulation Data vs. the Method of Moments

The dynamic structure factor of dense two‐component plasmas is studied within the method of moments. A new model for the Nevanlinna parameter function is suggested. Our results on the dynamic structure factor satisfy the sum rules and other exact relations automatically, independently of the choice...

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Veröffentlicht in:Contributions to plasma physics (1988) 2015-05, Vol.55 (5), p.381-389
Hauptverfasser: Arkhipov, Yu.V., Ashikbayeva, A.B., Askaruly, A., Davletov, A.E., Syzganbaeva, S., Tkachenko, I. M.
Format: Artikel
Sprache:eng
Schlagworte:
Computer simulation
Dense plasmas
Dynamic structure factor
Dynamics
Mathematical analysis
Mathematical models
Method of moments
Plasma (physics)
pseudopotentials
Structure factor
sum rules
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Beschreibung
Zusammenfassung:The dynamic structure factor of dense two‐component plasmas is studied within the method of moments. A new model for the Nevanlinna parameter function is suggested. Our results on the dynamic structure factor satisfy the sum rules and other exact relations automatically, independently of the choice of a mathematically consistent model of the latter. A quantitative agreement is obtained with the molecular dynamics simulation data. Our approach permits to correct and complement the results of alternative approaches. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:0863-1042
1521-3986
DOI:10.1002/ctpp.201400096