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cond-mat.mtrl-sci2021★ 19 cited
Wannier Function Perturbation Theory: Localized Representation and Interpolation of Wavefunction Perturbation
Jae-Mo Lihm, Cheol-Hwan Park
Thanks to the nearsightedness principle, the low-energy electronic structure of solids can be represented by localized states such as the Wannier functions. Wannier functions are a…
cond-mat.mtrl-sci2021★ 2 cited
Comment on "Ab initio calculation of the shift photocurrent by Wannier interpolation"
Jae-Mo Lihm
In a recent paper, Ibañez-Azpiroz et al. [Phys. Rev. B 97, 245143 (2018)] derive a band-truncation-error-free formula for calculating the generalized derivative of the interband di…