Hirofumi Nishi

Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation

Hirofumi Nishi, Taichi Kosugi, Yu‐ichiro Matsushita · npj Quantum Information · 2021 · 70 citations · Full text

Imaginary-time evolution using forward and backward real-time evolution with a single ancilla: First-quantized eigensolver algorithm for quantum chemistry

Taichi Kosugi, Yusuke Nishiya, Hirofumi Nishi et al. · Physical Review Research · 2022 · 51 citations · Full text

Quantum Dynamic, Engineering, Computational Chemistry +19

Band-unfolding approach to moiré-induced band-gap opening and Fermi level velocity reduction in twisted bilayer graphene

Hirofumi Nishi, Yu‐ichiro Matsushita, Atsushi Oshiyama · Physical review. B./Physical review. B · 2017 · 46 citations · Full text

Engineering, Reciprocal Space, Graphene Nanomeshes +16

Comparison of Green’s functions for transition metal atoms using self-energy functional theory and coupled-cluster singles and doubles (CCSD)

Taichi Kosugi, Hirofumi Nishi, Yoritaka Furukawa et al. · The Journal of Chemical Physics · 2018 · 17 citations · Full text

Periodicity-Free Unfolding Method of Electronic Energy Spectra

Taichi Kosugi, Hirofumi Nishi, Yasuyuki Kato et al. · Journal of the Physical Society of Japan · 2017 · 12 citations

Engineering, Computational Chemistry, Electronic Structure +19