Hybrid functional pseudopotentials
Hybrid functional pseudopotentials
复制标题
DOI:
10.1103/physrevb.97.085130
复制
发表时间:
2017-03
影响因子:
3.7
通讯作者:
Jing Yang;L. Tan;A. Rappe
中科院分区:
文献类型:
--
作者:
Jing Yang;L. Tan;A. Rappe
The consistency between the exchange-correlation functional used in pseudopotential construction and in the actual density functional theory calculation is essential for the accurate prediction of fundamental properties of materials. However, routine hybrid density functional calculations at present still rely on GGA pseudopotentials due to the lack of hybrid functional pseudopotentials. Here, we present a scheme for generating hybrid functional pseudopotentials, and we analyze the importance of pseudopotential density functional consistency for hybrid functionals. We benchmark our PBE0 pseudopotentials for structural parameters and fundamental electronic gaps of the G2 molecular dataset and some simple solids. Our results show that using our new PBE0 pseudopotentials in PBE0 calculations improves agreement with respect to all-electron calculations.