NDLI: Thermodynamic properties and plasma phase transition in dense hydrogen mixtures

Content Provider	IEEE Xplore Digital Library
Author	Filinov, V.S. Bonitz, M. Fortov, V.E. Levashov, P.R.
Copyright Year	2004
Description	Author affiliation: Inst. for High Energy Densities, Acad. of Sci., Moscow, Russia (Filinov, V.S.)
Abstract	Summary form only given. The internal energy and equation of state of dense hydrogen and hydrogen-helium mixture are investigated by direct path integral Monte Carlo method which are further improved in comparison to our previous results. Data for four isotherms T=10,000 K, 30,000 K, 50,000 K and 100,000 K are presented. For T=10,000 K it is shown that the internal energy is lowered due to droplet formation for densities of the order 10/sup -23/ cm giving direct support for the existence of a plasma phase transition in megabar hydrogen. The thermodynamic properties of warm dense matter, such a hydrogen and hydrogen mixture at megabar pressure, are essential for the description of plasmas generated by strong lasers, ion beams or free electron lasers. Among the phenomena of particular current interest are the high-pressure compressibility of deuterium, metalization of hydrogen, Wigner crystallization plasma phase transition etc., which occur in situations where both interaction and quantum effects are relevant and a crossover from a neutral system to full ionization takes place. We use the direct fermionic path integral Monte Carlo simulations to investigate the dense plasmas in a wide range of densities and temperatures.
Sponsorship	Plasma Sci. and Applications Committee of the IEEE Nuclear and Plasma Sci. Soc
File Size	81147
File Format	PDF
ISBN	0780383346
ISSN	07309244
DOI	10.1109/PLASMA.2004.1340068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-07-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasma properties Thermodynamics Plasma density Hydrogen Plasma temperature Integral equations Free electron lasers Laser transitions Plasma simulation Ion beams
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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