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arXiv 0704.2790cond-mat.mtrl-sci
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含时密度泛函方法计算电子-氢散射

Time-dependent Density Functional calculation of e-H scattering

Meta van Faassen, Adam Wasserman, Eberhard Engel, Fan Zhang, Kieron Burke

摘要:

利用含时密度泛函理论计算了单通道电子-原子弹性散射的相移。将H $^-$离子置于球形盒中,求出其离散谱,并推导出相移。精确交换产生一个很好的近似基态科恩-沙姆潜力,而绝热局域密度近似产生良好的单重态和三重态相移。

英文摘要:

Phase shifts for single-channel elastic electron-atom scattering are derived from time-dependent density functional theory. The H$^-$ ion is placed in a spherical box, its discrete spectrum found, and phase shifts deduced. Exact-exchange yields an excellent approximation to the ground-state Kohn-Sham potential, while the adiabatic local density approximation yields good singlet and triplet phase shifts.

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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