Ryosuke Akashi

most citedCan machines learn density functionals? Past, present, and future of ML in DFT

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cond-mat.supr-con2026

Electronic structure theory of H $_{3}$ S: Plane-wave-like valence states, density-of-states peak and its guaranteed proximity to the Fermi level

Ryosuke Akashi

Superconductivity in sulfur superhydride H $_{3}$ S under extreme pressures has been explained theoretically, but it requires a peaked concentration of the electronic density of stat…

cond-mat.supr-con2025

Uniform electron benchmark for the first-principles $G W_{0}$ -Eliashberg theory

Ryosuke Akashi, Hiroshi Shinaoka

We investigate the numerical behavior of the Eliashberg equations for phonon-mediated superconductivity, incorporating normal-state self-energy calculations within the consistent $…

Electronic structure theory of H3​S: Plane-wave-like valence states, density-of-states peak and its guaranteed proximity to the Fermi level

Uniform electron benchmark for the first-principles GW0​-Eliashberg theory

Electronic structure theory of H $_{3}$ S: Plane-wave-like valence states, density-of-states peak and its guaranteed proximity to the Fermi level

Uniform electron benchmark for the first-principles $G W_{0}$ -Eliashberg theory