Search Results - "NAMBU, Y"

Field test of quantum key distribution in the Tokyo QKD Network by Sasaki, M, Fujiwara, M, Ishizuka, H, Klaus, W, Wakui, K, Takeoka, M, Miki, S, Yamashita, T, Wang, Z, Tanaka, A, Yoshino, K, Nambu, Y, Takahashi, S, Tajima, A, Tomita, A, Domeki, T, Hasegawa, T, Sakai, Y, Kobayashi, H, Asai, T, Shimizu, K, Tokura, T, Tsurumaru, T, Matsui, M, Honjo, T, Tamaki, K, Takesue, H, Tokura, Y, Dynes, J F, Dixon, A R, Sharpe, A W, Yuan, Z L, Shields, A J, Uchikoga, S, Legré, M, Robyr, S, Trinkler, P, Monat, L, Page, J-B, Ribordy, G, Poppe, A, Allacher, A, Maurhart, O, Länger, T, Peev, M, Zeilinger, A

“…A secure communication network with quantum key distribution in a metropolitan area is reported. Six different QKD systems are integrated into a mesh-type…”
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Observation of Magnon Polarization by Nambu, Y., Barker, J., Okino, Y., Kikkawa, T., Shiomi, Y., Enderle, M., Weber, T., Winn, B., Graves-Brook, M., Tranquada, J. M., Ziman, T., Fujita, M., Bauer, G. E. W., Saitoh, E., Kakurai, K.

“…We measure the mode-resolved direction of the precessional motion of the magnetic order, i.e., magnon polarization, via the chiral term of inelastic polarized…”
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Gemcitabine alone or in combination with cisplatin in patients with biliary tract cancer: a comparative multicentre study in Japan by Okusaka, T, Nakachi, K, Fukutomi, A, Mizuno, N, Ohkawa, S, Funakoshi, A, Nagino, M, Kondo, S, Nagaoka, S, Funai, J, Koshiji, M, Nambu, Y, Furuse, J, Miyazaki, M, Nimura, Y

“…Background: A British randomised study of gemcitabine plus cisplatin (GC) combination showed promising results in biliary tract cancer (BTC) patients. In our…”
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Single-photon emission at 1.5 μm from an InAs/InP quantum dot with highly suppressed multi-photon emission probabilities by Miyazawa, T., Takemoto, K., Nambu, Y., Miki, S., Yamashita, T., Terai, H., Fujiwara, M., Sasaki, M., Sakuma, Y., Takatsu, M., Yamamoto, T., Arakawa, Y.

“…We have demonstrated highly pure single-photon emissions from an InAs/InP quantum dot at the wavelength of 1.5 μm. By applying quasi-resonant excitation, one…”
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Metallic ground states of undoped Ti2O3 films induced by elongated c-axis lattice constant by Yoshimatsu, K., Hasegawa, N., Nambu, Y., Ishii, Y., Wakabayashi, Y., Kumigashira, H.

“…Ti 2 O 3 exhibits unique metal–insulator transition (MIT) at ~ 450 K over a wide temperature range of ~ 150 K. The close relationship between MIT and crystal…”
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Understanding spin currents from magnon dispersion and polarization: Spin-Seebeck effect and neutron scattering study on Tb3Fe5O12 by Kawamoto, Y., Kikkawa, T., Kawamata, M., Umemoto, Y., Manning, A. G., Rule, K. C., Ikeuchi, K., Kamazawa, K., Fujita, M., Saitoh, E., Kakurai, K., Nambu, Y.

“…Magnon spin currents in the ferrimagnetic garnet Tb3Fe5O12 with 4f electrons were examined through the spin-Seebeck effect and neutron scattering measurements…”
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Efficient and low-noise single-photon avalanche photodiode for 1.244-GHz clocked quantum key distribution by Nambu, Y, Takahashi, S, Yoshino, K, Tanaka, A, Fujiwara, M, Sasaki, M, Tajima, A, Yorozu, S, Tomita, A

“…An efficient and low-noise 1.244-GHz gating InGaAs single-photon avalanche photodiode (SAPD) was developed for a high-speed quantum key distribution (QKD)…”
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Magnetic structure of the noncentrosymmetric magnet Sr 2 MnSi 2 O 7 through irreducible representation and magnetic space group analyses by Nambu, Y, Kawamata, M, Pang, X, Murakawa, H, Avdeev, M, Kimura, H, Masuda, H, Hanasaki, N, Onose, Y

“…Magnetic structures of the noncentrosymmetric magnet Sr MnSi O were examined through neutron diffraction for powder and single-crystalline samples, as well as…”
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Magnetic structure of the noncentrosymmetric magnet Sr2MnSi2O7 through irreducible representation and magnetic space group analyses by Nambu, Y., Kawamata, M., Pang, X., Murakawa, H., Avdeev, M., Kimura, H., Masuda, H., Hanasaki, N., Onose, Y.

“…Magnetic structures of the noncentrosymmetric magnet Sr2MnSi2O7 were examined through neutron diffraction for powder and single‐crystalline samples, as well as…”
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Deformation of the moving magnetic skyrmion lattice in MnSi under electric current flow by Okuyama, D., Bleuel, M., White, J. S., Ye, Q., Krzywon, J., Nagy, G., Im, Z. Q., Živković, I., Bartkowiak, M., Rønnow, H. M., Hoshino, S., Iwasaki, J., Nagaosa, N., Kikkawa, A., Taguchi, Y., Tokura, Y., Higashi, D., Reim, J. D., Nambu, Y., Sato, T. J.

“…Topological defects are found ubiquitously in various kinds of matter, such as vortices in type-II superconductors, and magnetic skyrmions in chiral…”
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Afterpulse-like phenomenon of superconducting single photon detector in high speed quantum key distribution system by Fujiwara, M, Tanaka, A, Takahashi, S, Yoshino, K, Nambu, Y, Tajima, A, Miki, S, Yamashita, T, Wang, Z, Tomita, A, Sasaki, M

“…We discuss our estimates of the performance of a superconducting single photon detector (SSPD) in a high speed quantum key distribution (QKD) system. We find…”
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Anisotropic inplane spin correlation in the parent and Co-doped BaFe2As2: A neutron scattering study by Ibuka, S., Nambu, Y., Yamazaki, T., Lumsden, M.D., Sato, T.J.

“…•Doping dependence study of inplane spin correlation in the normal states.•Anisotropy is larger for the higher doping level.•Temperature dependence of spin…”
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Anti-USAG-1 therapy for tooth regeneration through enhanced BMP signaling by Murashima-Suginami, A, Kiso, H, Tokita, Y, Mihara, E, Nambu, Y, Uozumi, R, Tabata, Y, Bessho, K, Takagi, J, Sugai, M, Takahashi, K

“…( ) deficiency leads to enhanced bone morphogenetic protein (BMP) signaling, leading to supernumerary teeth formation. Furthermore, antibodies interfering with…”
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Instability of massive scalar fields in Kerr-Newman spacetime by FURUHASHI, Hironobu, NAMBU, Yasusada

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Piled-up configuration design of decelerators in drop test for aircraft seats by Chiba, M., Okino, T., Nambu, Y., Yutani, H., Katayama, K.

“…To ensure the safety of aircraft seats, it is mandatory to perform a dynamic test under an acceleration pulse prescribed by the Federal Aviation…”
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Spin disorder and order in quasi-2D triangular Heisenberg antiferromagnets: comparative study of FeGa2S4, Fe2Ga2S5, and NiGa2S4 by Nakatsuji, S, Tonomura, H, Onuma, K, Nambu, Y, Sakai, O, Maeno, Y, Macaluso, R T, Chan, Julia Y

“…Our single crystal study reveals that the single-layer S=2 triangular Heisenberg antiferromagnet FeGa2S4 forms a frozen spin-disordered state, similar to the…”
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Unusual superexchange pathways in an NiS2 triangular lattice with negative charge-transfer energy by Takubo, K, Mizokawa, T, Son, J-Y, Nambu, Y, Nakatsuji, S, Maeno, Y

“…We have studied the electronic structure of the Ni triangular lattice in NiGa(2)S(4) using photoemission spectroscopy and subsequent model calculations. The…”
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Cosmological perturbation with two scalar fields in reheating after inflation by Taruya, A., Nambu, Y.

“…We investigate the cosmological perturbation of two-scalar field model during the reheating phase after inflation. Using the exact solution of the perturbation…”
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Successive phase transitions and phase diagrams for the quasi-two-dimensional easy-axis triangular antiferromagnet Rb4Mn(MoO4)3 by Ishii, R, Tanaka, S, Onuma, K, Nambu, Y, Tokunaga, M, Sakakibara, T, Kawashima, N, Maeno, Y, Broholm, C, P. Gautreaux, D, Chan, J. Y, Nakatsuji, S

“…Using magnetic, thermal and neutron measurements we show that Rb4Mn(MoO4)3 is a quasi-2D triangular Heisenberg antiferromagnet with easy-axis anisotropy and…”
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Lack of cell surface Fas/APO-1 expression in pulmonary adenocarcinomas by Nambu, Y, Hughes, S J, Rehemtulla, A, Hamstra, D, Orringer, M B, Beer, D G

“…The Fas receptor and ligand initiate an apoptotic pathway. Alterations in this pathway within tumor cells can result in escape from apoptosis and immune…”
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