activity
19952023
most citedFrequency-dependent local interactions and low-energy effective models from electronic structure calculations

793 citations · 10.5k across the 194 of their papers we have counts for

collaborators
Showing 2009Show all

10 papers · 1 filter

cond-mat.str-el2009★ 4 cited

Systematic Control of Carrier Doping without Disorder at Interface of Oxide Heterostructures

Motoaki Hirayama, Masatoshi Imada

We propose a method to systematically control carrier densities at the interface of transition-metal oxide heterostructures without introducing disorders. By inserting non-polar la…

cond-mat.supr-con2009★ 303 cited

Comparison of Ab initio Low-Energy Models for LaFePO, LaFeAsO, BaFe2As2, LiFeAs, FeSe and FeTe: Electron Correlation and Covalency

Takashi Miyake, Kazuma Nakamura, Ryotaro Arita +1

Effective low-energy Hamiltonians for several different families of iron-based superconductors are compared after deriving them from the downfolding scheme based on first-principle…

cond-mat.quant-gas2009★ 3 cited

Transition from Band insulator to Bose-Einstein Condensate superfluid and Mott State of Cold Fermi Gases with Multiband Effects in Optical Lattices

Ryota Watanabe, Masatoshi Imada

We study two models realized by two-component Fermi gases loaded in optical lattices. We clarify that multi-band effects inevitably caused by the optical lattices generate a rich s…

cond-mat.str-el2009★ 34 cited

Unconventional quantum criticality emerging as a new common language of transition-metal compounds, heavy-fermion systems, and organic conductors

Masatoshi Imada, Takahiro Misawa, Youhei Yamaji

We analyze and overview several different unconventional quantum criticalities. One origin of the unconventionality is the proximity to first-order transitions. The border between…

cond-mat.str-el2009★ 215 cited

Ab-initio procedure for effective models of correlated materials with entangled band structure

Takashi Miyake, Ferdi Aryasetiawan, Masatoshi Imada

We present a first-principles method for deriving effective low-energy models of electrons in solids having entangled band structure. The procedure starts with dividing the Hilbert…

cond-mat.str-el2009★ 4 cited

Electronic and magnetic properties of metallic phases under coexisting short-range interaction and diagonal disorder

Hiroshi Shinaoka, Masatoshi Imada

We study a three-dimensional Anderson-Hubbard model under the coexistence of short-range interaction and diagonal disorder within the Hartree-Fock approximation. We show that the d…