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Dive into the research topics where Kosaku Yamada is active.

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Featured researches published by Kosaku Yamada.


Physical Review B | 2008

Intrinsic spin Hall effect and orbital Hall effect in 4 d and 5 d transition metals

T. Tanaka; Hiroshi Kontani; Masayuki Naito; T. Naito; Dai S. Hirashima; Kosaku Yamada; J. Inoue

We study the intrinsic spin Hall conductivity (SHC) in various


Physical Review Letters | 2009

Giant orbital Hall effect in transition metals: origin of large spin and anomalous Hall effects.

Hiroshi Kontani; T. Tanaka; Dai S. Hirashima; Kosaku Yamada; J. Inoue

5d


Physical Review B | 2007

Intrinsic anomalous Hall effect in ferromagnetic metals studied by the multi- d -orbital tight-binding model

Hiroshi Kontani; T. Tanaka; Kosaku Yamada

transition metals (Ta, W, Re, Os, Ir, Pt, and Au) and


Journal of the Physical Society of Japan | 2007

Study of Intrinsic Spin and Orbital Hall Effects in Pt Based on a (6s, 6p, 5d) Tight-Binding Model

Hiroshi Kontani; Masayuki Naito; Dai S. Hirashima; Kosaku Yamada; J. Inoue

4d


Journal of the Physical Society of Japan | 2008

Fourth-Order Perturbation Expansion for Hubbard Model on a Two-Dimensional Square Lattice

Hiroaki Ikeda; Shogo Shinkai; Kosaku Yamada

transition metals (Nb, Mo, Tc, Ru, Rh, Pd, and Ag) based on the Naval Research Laboratory tight-binding model, which enables us to perform quantitatively reliable analysis. In each metal, the obtained intrinsic SHC is independent of resistivity in the low resistive regime


Progress of Theoretical Physics | 2009

Analysis of Resonance Charge Transfer Neutralization on the Basis of Heisenberg Equations of Motion

Shin-ichiro Kondo; Kosaku Yamada

(ensuremath{rho}l50phantom{rule{0.3em}{0ex}}ensuremath{mu}ensuremath{Omega}phantom{rule{0.2em}{0ex}}mathrm{cm})


Journal of Physics: Condensed Matter | 2007

Theoretical study on superconductivity in CeMIn5 (M = Co, Rh, Ir): pairing symmetry and pressure dependence

Kazunori Tanaka; Hiroaki Ikeda; Yunori Nisikawa; Kosaku Yamada

whereas it decreases in proportion to


Journal of Physics and Chemistry of Solids | 2008

Spin Hall effect in Sr2RuO4 and transition metals (Nb,Ta)

T. Tanaka; Hiroshi Kontani; Masayuki Naito; Dai S. Hirashima; Kosaku Yamada; J. Inoue

{ensuremath{rho}}^{ensuremath{-}2}


Archive | 2005

Analysis of Superconductivity in the d-p Model on the Basis of Perturbation Theory

Sotaro Sasaki; Hiroaki Ikeda; Kosaku Yamada

in the high resistive regime. In the low resistive regime, the SHC takes a large positive value in Pt and Pd, both of which have approximately nine


Meeting abstracts of the Physical Society of Japan | 2005

26pWM-1 Theory of the superconductivity of CeCoIn_5

Yunori Nisikawa; Kazunori Tanaka; Hiroaki Ikeda; Kosaku Yamada

d

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Kazunori Tanaka

Tokyo University of Science

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