Theoretical analysis of the optimal conditions for photon-spin quantum state transfer (2007)
Rikitake, Y., Imamura, H., Kosaka, H.
We analyzed the yield and fidelity of the quantum state transfer (QST) from a photon polarization qubit to an electron spin qubit in a spin-coherent photo detector consisting of a semiconductor...
Kosaka, H., Rikitake, Y., Imamura, H., Mitsumori, Y., Edamatsu, K.
We demonstrate negative polarization created by light-hole exciton excitation in g-factor engineered GaAs quantum wells measured by time-resolved Kerr rotation and polarization-resolved...
Ono, T., Imamura, H., Kawakami, J., Goto, K., Tanaka, H.
Magnetic phase transitions under hydrostatic pressures in spin gap systems TlCu$_{0.988}$Mg$_{0.012}$Cl$_3$ and KCu$_{0.973}$Mg$_{0.027}$Cl$_3$ were investigated by magnetization measurements. The...
Imamura, H., Ono, T., Goto, K., Tanaka, H.
Magnetic phase transition under hydrostatic pressure in TlCu$_{0.988}$Mg$_{0.012}$Cl$_3$ was investigated by magnetization measurements. The parent compound TlCuCl$_3$ is a coupled spin dimer system,...
Nonequilibrium Kondo effect in a quantum dot coupled to ferromagnetic leads (2005)
Utsumi, Y., Martinek, J., Schön, G., Imamura, H., Maekawa, S.
Iwata, M., Imamura, H., Stambouli, E., Ikeda, C., Tamakoshi, M., Nagata, K., ...
The vacuole-type ATPases (V-ATPases) exist in various intracellular compartments of eukaryotic cells to regulate physiological processes by controlling the acidic environment. The crystal structure...
Iwata, M., Imamura, H., Stambouli, E., Ikeda, C., Tamakoshi, M., Nagata, K., ...
The vacuole-type ATPases (V-ATPases) exist in various intracellular compartments of eukaryotic cells to regulate physiological processes by controlling the acidic environment. The crystal structure...
Theoretical Head of Semi-Open Impeller (2003)
Kurokawa, Junichi, Ishii, M., Matsui, J., Imamura, H., 黒川, 淳一, ...
Pumping head of semi-open impeller is known to drop rapidly with an increase of tip clearance. This head drop has long been treated as the result of increase of hydraulic loss in an impeller channel...
Verhees, C.H., Ettema, T.J.G., Imamura, H., Matsuzawa, H., ...
An -galactosidase gene from Pyrococcus furiosus was identified, cloned and functionally expressed in Escherichia coli. It is the first -galactosidase from a hyperthermophilic archaeon described to...
Kondo effect in quantum dots coupled to ferromagnetic leads (2003)
Martinek, J., Utsumi, Y., Imamura, H., Barnas, J., Maekawa, S., König, J., ...
Kondo effect in quantum dots coupled to ferromagnetic leads (2002)
Martinek, J., Utsumi, Y., Imamura, H., Barnas, J., Maekawa, S., König, J., ...
We study the Kondo effect in a quantum dot which is coupled to ferromagnetic leads and analyse its properties as a function of the spin polarization of the leads. Based on a scaling approach we...
Internal Flow Measurement of a Very Low Specific-Speed Centrifugal Pump by PIV (2002)
Kurokawa, Junichi, Nishino, K., Matsui, J., Imamura, H., 黒川, 淳一, ...
As the performance characteristics of a very low specific-speed centrifugal pump are much different from those of a normal specific-speed pump, there is strong demand of full understanding for the...
Spin transport and relaxation in superconductors (2001)
Yamashita, T., Takahashi, S., Imamura, H., Maekawa, S.
We study theoretically the effect of spin relaxation on the spin transport in a ferromagnet/superconductor(FM/SC) tunnel junction. When spin-polarized electrons are injected into the SC from the FM,...
Joule heating generated by spin current through Josephson junctions (2000)
Takahashi, S., Yamashita, T., Koyama, T., Maekawa, S., Imamura, H.
We theoretically study the spin-polarized current flowing through a Josephson junction (JJ) in a spin injection device. When the spin-polarized current is injected from a ferromagnet (FM) in a...
Suppression of Swirl in a Conical Diffuser by Use of J-Groove (2000)
Kurokawa, Junichi, Kajigaya, A., Matsui, J., Imamura, H., 黒川, 淳一, クロカワ, ジュンイチ, ...
In order to control and suppress a draft tube surge in a Francis turbine, a new passive device using shallow grooves machined on a casing wall is proposed. To reveal the possibility and the effect of...
Effect of Coulomb blockade on STM current through a granular film (1999)
Imamura, H., Chiba, J., Mitani, S., Takanashi, K., Takahashi, S., Maekawa, S., ...
The electron transport through an array of tunnel junctions consisting of an STM tip and a granular film is studied both theoretically and experimentally. When the tunnel resistance between the tip...
Takahashi, S., Imamura, H., Maekawa, S.
We theoretically study the spin-dependent transport in a ferromagnet/super- conductor/ferromagnet double tunnel junction. The tunneling current in the antiferromagnetic alignment of the...
Intermetallic Compounds: Surface Chemistry, Hydrogen Absorption and Heterogeneous Catalysis, (1998)
Wallace,W. E., Elattar,A., Imamura,H., Craig,R. S., Moldovan,A. G.
The Instability of Superplastic Deformation in P/M and I/M 7475 Aluminium Alloys. (1998)
Higashi, K., Imamura, H., Ito, T., Tanimura, S.
Superplastic deformation has been studied in P/M and I/M 7475 aluminum alloys. The P/M alloy showed superplastic elongations greater than 500% at strain rates from 10(-2) to 10(0)/s and at 723-798 K,...
A new bembrid, Bembras adenensis, is described on the basis of specimens collected from the Gulf of Aden, western Indian Ocean. This species is easilydistinguished from B. japonica, the only known...
THE BAINITE FORMATION UNDER STRESS IN Cu-Zn-Al ALLOYS (1982)
Takezawa, K., Imamura, H., Tanizaki, K., Sato, S.
β1 single crystals of Cu-29.8at%Zn-6.lat%Al alloy with different orientation were heated at temperatures higher than 420°K under a tensile stress. Two variant crystals of bainite having...
THE BAINITE FORMATION UNDER STRESS IN Cu-Zn-Al ALLOYS (1982)
Takezawa, K., Imamura, H., Tanizaki, K., Sato, S.
β1 single crystals of Cu-29.8at%Zn-6.lat%Al alloy with different orientation were heated at temperatures higher than 420°K under a tensile stress. Two variant crystals of bainite having...
THE BAINITE FORMATION UNDER STRESS IN Cu-Zn-Al ALLOYS (1982)
Takezawa, K., Imamura, H., Tanizaki, K., Sato, S.
β1 single crystals of Cu-29.8at%Zn-6.lat%Al alloy with different orientation were heated at temperatures higher than 420°K under a tensile stress. Two variant crystals of bainite having...
Hirano, H, Tanaka, K, Ozaki, K, Imamura, H, Kohno, H, Hihara, T, ...
The RHO1 gene encodes a homolog of the mammalian RhoA small GTP-binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth site and is required for bud formation. The...
Ozaki, K, Tanaka, K, Imamura, H, Hihara, T, Kameyama, T, Nonaka, H, ...
The RHO1 gene encodes a homolog of the mammalian RhoA small GTP binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth site and is required for bud formation....
Kohno, H, Tanaka, K, Mino, A, Umikawa, M, Imamura, H, Fujiwara, T, ...
The RHO1 gene encodes a homolog of mammalian RhoA small GTP binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth sites, including the bud tip and the cytokinesis...
Imamura, H, Tanaka, K, Hihara, T, Umikawa, M, Kamei, T, Takahashi, K, ...
The RHO1 gene encodes a homologue of mammalian RhoA small G-protein in the yeast Saccharomyces cerevisiae. Rho1p is required for bud formation and is localized at a bud tip or a cytokinesis site. We...
Self-Assembly of the Ionic Peptide EAK16: The Effect of Charge Distributions on Self-Assembly
Jun, S., Hong, Y., Imamura, H., Bechhoefer, J., Chen, P.
Amphiphilic peptides suspended in aqueous solution display a rich set of aggregation behavior. Molecular-level studies of relatively simple amphiphilic molecules under controlled conditions are an...
Hirano, H, Tanaka, K, Ozaki, K, Imamura, H, Kohno, H, Hihara, T, ...
The RHO1 gene encodes a homolog of the mammalian RhoA small GTP-binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth site and is required for bud formation. The...
Ozaki, K, Tanaka, K, Imamura, H, Hihara, T, Kameyama, T, Nonaka, H, ...
The RHO1 gene encodes a homolog of the mammalian RhoA small GTP binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth site and is required for bud formation....
Kohno, H, Tanaka, K, Mino, A, Umikawa, M, Imamura, H, Fujiwara, T, ...
The RHO1 gene encodes a homolog of mammalian RhoA small GTP binding protein in the yeast Saccharomyces cerevisiae. Rho1p is localized at the growth sites, including the bud tip and the cytokinesis...
Imamura, H, Tanaka, K, Hihara, T, Umikawa, M, Kamei, T, Takahashi, K, ...
The RHO1 gene encodes a homologue of mammalian RhoA small G-protein in the yeast Saccharomyces cerevisiae. Rho1p is required for bud formation and is localized at a bud tip or a cytokinesis site. We...
Self-Assembly of the Ionic Peptide EAK16: The Effect of Charge Distributions on Self-Assembly
Jun, S., Hong, Y., Imamura, H., Bechhoefer, J., Chen, P.
Amphiphilic peptides suspended in aqueous solution display a rich set of aggregation behavior. Molecular-level studies of relatively simple amphiphilic molecules under controlled conditions are an...
A functioning intrapericardial paraganglioma (pheochromocytoma).
Shimoyama, Y, Kawada, K, Imamura, H
A patient with a functioning intrapericardial paraganglioma (pheochromocytoma) that was located at the root of the aorta overlying the right coronary artery and adherent to the right ventricular wall...
Hayashi, S, Furuya, S, Imamura, H
Several cases of eosinophilic conditions including Churg-Strauss syndrome have been reported in association with the use of cysteinyl leukotriene receptor antagonists, including zafirlukast,...
Proposal of a new prognostic model for hepatocellular carcinoma: an analysis of 403 patients
Tateishi, R, Yoshida, H, Shiina, S, Imamura, H, Hasegawa, K, Teratani, T, ...
Background: The prognosis of hepatocellular carcinoma (HCC) is highly dependent on tumour extension and liver function. Recently, two new prognostic scoring systems—the CLIP score, developed by...
Birth injury as a causative factor of syringomyelia with Chiari type I deformity.
Hida, K, Iwasaki, Y, Imamura, H, Abe, H
The epidemiology of syringomyelia with Chiari type I deformity was investigated with particular reference to perinatal problems. All subjects in our study were born by vaginal delivery and had a high...
Heterogeneity of DNA content in multiple synchronous hepatocellular carcinomas.
Hui, A. M., Kawasaki, S., Imamura, H., Miyagawa, S., Ishii, K., Katsuyama, T., ...
Heterogeneity of DNA content in multiple hepatocellular carcinomas (HCCs) was investigated by flow cytometry in 62 tumours from 26 patients who had undergone surgical treatment for multiple...
Imamura, H, Haga, S, Shimizu, T, Watanabe, O, Kajiwara, T, Aiba, M
The prognostic significance of the proliferative activities in intraductal components and invasive foci was investigated using 157 cases of invasive ductal breast carcinoma in which intraductal...