The melting curve of CaSiO3 perovskite under lower mantle pressures

Liu ZJ; Yan J; Duan SQSun XWZhang CRGuo Y

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The melting curve of CaSiO3 perovskite under lower mantle pressures

机译：The melting curve of CaSiO3 perovskite under lower mantle pressures

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摘要

The high pressure melting curve of CaSiO3 perovskite is simulated by using the constant temperature and pressure molecular dynamics method combined with effective pair potentials for the first time. The simulated results for the partial radial distribution function all compare well with experiment. The calculated equation of state is very successful in accurately reproducing the recent experimental data over a wide pressure range. The predicted high pressure melting curve is in good agreement with the experimental ones, and the melting curve up to the core-mantle boundary pressure, being very steep at lower pressures, rapidly flattens on increasing pressure. The present results also suggest the validity of the experimental data of Zerr and Boehler.

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来源
《Solid State Communications》 |2010年第14期|590-593|共4页
作者
Liu ZJ; Yan J; Duan SQSun XWZhang CRGuo Y;
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作者单位

National Key Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, PR China;

School of Mathematics and Physics, Lanzhou Jiaotong University, Lanzhou 730070, PR China;

Department of Applied Physics, Lanzhou University of Technology, Lanzhou 730050, PR ChinaDepartment of Physics, Lanzhou City University, Lanzhou 730070, PR China;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
CaSiO3 perovskite; Melting curve; High pressure;

The melting curve of CaSiO3 perovskite under lower mantle pressures

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