Thermal Conductivity of the Classical Electron One-Component Plasma

Z. Donkó; B. Nyíri; L. Szalai; S. Holló

doi:10.1103/PhysRevLett.81.1622

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Thermal Conductivity of the Classical Electron One-Component Plasma

Z. Donkó¹, B. Nyíri², L. Szalai¹, and S. Holló²

¹Research Institute for Solid State Physics and Optics of the Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 49, Hungary
²GE Lighting Tungsram, HID Technology, H-1340 Budapest, Váci út 77, Hungary

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Phys. Rev. Lett. 81, 1622 – Published 24 August, 1998

DOI: https://doi.org/10.1103/PhysRevLett.81.1622

Abstract

We carried out molecular dynamics experiments to determine the reduced heat diffusion coefficient $D_{th}^{*}$ and the reduced thermal conductivity $λ^{*}$ of the three-dimensional classical electron one-component plasma, for the $1 \leq Γ \leq 20$ range of the plasma coupling parameter $Γ$ . In our simulations the temperature of the system was spatially modulated, and $D_{th}^{*}$ and $λ^{*}$ were calculated from the relaxation time of the temperature profile. $D_{th}^{*}$ was found to decrease with increasing $Γ$ , while $λ^{*}$ decreased with increasing $Γ$ for $Γ \leq 4$ (from $λ^{*} ≅ 2.3$ at $Γ = 1.1$ to $λ^{*} ≅ 0.6$ at $Γ = 4$ ) and was approximately constant ( $λ^{*} ≅ 0.4$ ) in the $8 \leq Γ \leq 20$ range.

References (22)

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[c1] S. G. Brush, H. L. Sahlin, and E. Teller, J. Chem. Phys. 45, 2102 (1966).

[c2] J. P. Hansen, Phys. Rev. A 8, 3096 (1973).

[c3] E. L. Pollock and J. P. Hansen, Phys. Rev. A 8, 3110 (1973).

[c4] H. Totsuji, Phys. Rev. A 17, 399 (1978).

[c5] R. C. Gann, S. Chakravarty, and G. V. Chester, Phys. Rev. B 20, 326 (1979).

[c6] S. Ogata and S. Ichimaru, Phys. Rev. A 36, 5451 (1987).

[c7] G. S. Stringfellow, H. E. DeWitt, and W. L. Slattery, Phys. Rev. A 41, 1105 (1990).

[c8] C. N. Likos and N. W. Ashcroft, Phys. Rev. Lett. 69, 316 (1992).

[c9] J. P. Hansen, I. R. McDonald, and E. L. Pollock, Phys. Rev. A 11, 1025 (1975).

[c10] P. Vieillefosse and J. P. Hansen, Phys. Rev. A 12, 1106 (1975).

[c11] R. W. Hockney and T. R. Brown, J. Phys. C 8, 1813 (1975).

[c12] J. P. Hansen, D. Levesque, and J. J. Weis, Phys. Rev. Lett. 43, 979 (1979).

[c13] R. T. Farouki and S. Hamaguchi, Phys. Rev. E 47, 4330 (1993).

[c14] M. Baus and J. P. Hansen, Phys. Rep. 59, 1 (1980).

[c15] S. M. Ichimaru, Rev. Mod. Phys. 54, 1017 (1982).

[c16] S. Ichimaru, H. Iyetomi, and S. Tanaka, Phys. Rep. 149, 93 (1987).

[c17] B. Bernu, P. Vieillefosse, and J. P. Hansen, Phys. Lett. 63A, 301 (1977).

[c18] B. Bernu and P. Vieillefosse, Phys. Rev. A 18, 2345 (1978).

[c19] H. E. DeWitt, Phys. Rev. A 14, 1290 (1976).

[c20] R. W. Hockney, S. P. Goel, and J. W. Eastwood, Chem. Phys. Lett. 21, 589 (1973).

[c21] R. W. Hockney and J. W. Eastwood, Comput. Phys. Commun. 19, 215 (1980).

[c22] R. W. Hockney and J. W. Eastwood, in Computer Simulation Using Particles (McGraw-Hill, New York, 1981).

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Thermal Conductivity of the Classical Electron One-Component Plasma

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