Akitaka Sawamura

Nearest-neighbor sp3s* tight-binding parameters based on the hybrid quasi-particle self-consistent GW method verified by modeling of type-II superlattices

Akitaka Sawamura, Jun Otsuka, Takashi Kato et al. · Journal of Applied Physics · 2017 · 19 citations

Natural Sciences, Materials Science, Physics +17

Element-Selective Observation of Electronic Structure Transition between Semiconducting and Metallic States in Boron-Doped Diamond Using Soft X-ray Emission and Absorption Spectroscopy

Junji Iihara, Yasuji Muramatsu, T. Takebe et al. · Japanese Journal of Applied Physics · 2005 · 15 citations

Natural Sciences, Materials Science, Physics +17

Nearest-neighbor sp³d⁵s* tight-binding parameters based on the hybrid quasi-particle self-consistent GW method verified by modeling of type-II superlattices

Akitaka Sawamura, Jun Otsuka, Takashi Kato et al. · Optical Materials Express · 2018 · 13 citations · Full text

Natural Sciences, Materials Science, Physics +11

An efficient preconditioning scheme for plane-wave-based electronic structure calculations

Akitaka Sawamura, Masanori Kohyama, T. Keishi · Computational Materials Science · 1999 · 12 citations

Natural Sciences, Chemistry, Computational Chemistry +11

A Second-Variational Prediction Operator for Fast Convergence in Self-Consistent Electronic-Structure Calculations

Akitaka Sawamura, Masanori Kohyama · MATERIALS TRANSACTIONS · 2004 · 11 citations · Full text

Natural Sciences, Materials Science, Physics +17