Mean-field potential calculations of shock-compressed porous carbon

Y. Wang, Z. K. Liu, L. Q. Chen, L. Burakovsky, D. L. Preston, W. Luo, B. Johansson, R. Ahuja

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14 Scopus citations


The mean-field potential approach with first-principles total energy data as input is used to investigate shock-compressed carbon with initial densities of 3.51, 2.2, 1.85, and 1.6 g/cm 3 up to 1400 GPa. We have calculated the shock Hugoniot, and the temperature and electronic contribution to the heat capacity along the Hugoniot. While excellent agreement with underground nuclear explosion data is obtained, our results do not show the high compressibility of carbon at megabar pressures indicated by recent laser-driven shock wave experiments.

Original languageEnglish (US)
Article number054110
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number5
StatePublished - Feb 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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