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arXiv 0803.3635cond-mat.softcond-mat.stat-mech
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水中的核量子效应

Nuclear quantum effects in water

Joseph A. Morrone, Roberto Car

摘要:

在这项工作中,路径积分Car-Parrinello分子动力学模拟的液态水。研究发现,核量子效应的引入系统地改善了液态水的第一性原理模拟与实验的一致性。此外,质子动量分布计算利用最近开发的路径积分分子动力学方法。结果表明,这些结果与液态水和冰的中子康普顿散射数据符合得很好。

英文摘要:

In this work, a path integral Car-Parrinello molecular dynamics simulation of liquid water is performed. It is found that the inclusion of nuclear quantum effects systematically improves the agreement of first principles simulations of liquid water with experiment. In addition, the proton momentum distribution is computed utilizing a recently developed open path integral molecular dynamics methodology. It is shown that these results are in good agreement with neutron Compton scattering data for liquid water and ice.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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