Fully-Selfconsistent Electronic-Structure Calculation Using Nonorthogonal Localized Orbitals within a Finite-Difference Real-Space Scheme and Ultrasoft Pseudopotential.

Fully-Selfconsistent Electronic-Structure Calculation Using Nonorthogonal Localized Orbitals within a Finite-Difference Real-Space Scheme and Ultrasoft Pseudopotential.
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在有限差分实空间方案和超软赝势中使用非正交局域轨道进行完全自洽电子结构计算。

DOI:
10.1143/jpsj.66.3710
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发表时间:
1997
影响因子:
1.7
通讯作者:
T. Fujiwara
T. Fujiwara
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
T. Hoshi;T. Fujiwara

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我们构建了一个完全自洽的从头计算电子结构计算的形式主义,其中基础轨道是本地化的,非正交的,并给出了一个真正的空间规则网格。采用窗函数优化定域基轨道。作为一个例子,用超软赝势计算了金刚石晶体的基态。
We construct a fully-selfconsistent formalism of ab initio electronic-structure calculations, where basis orbitals are localized, nonorthogonal, and given on a real-space regular grid. A window function is adopted to optimize localized basis orbitals. As an example, the ground state of diamond crystal is calculated using the ultrasoft pseudopotential.