論文 - 久我 健太郎
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Mossbauer spectroscopy of Fe-doped valence-fluctuating <i>α</i>-YbAlB<sub>4</sub>
Sakaguchi, Y; Ikeda, S; Kobayashi, H; Kuga, K; Sone, K; Nakatsuji, S
JOURNAL OF THE KOREAN PHYSICAL SOCIETY 62 ( 12 ) 2146 - 2149 2013年07月
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Synchrotron X-ray spectroscopy study on the valence state in <i>α</i>- and <i>β</i>-YbAlB<sub>4</sub> at low temperatures and high magnetic fields
Matsuda, YH; Nakamura, T; Kuga, K; Nakatsuji, S; Michimura, S; Inami, T; Kawamura, N; Mizumaki, M
JOURNAL OF THE KOREAN PHYSICAL SOCIETY 62 ( 12 ) 1778 - 1781 2013年07月
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Conduction electron spin resonance in AlB<sub>2</sub>
Holanda, LM; Mendonça-Ferreira, L; Ribeiro, RA; Osorio-Guillén, JM; Dalpian, GM; Kuga, K; Nakatsuji, S; Fisk, Z; Urbano, RR; Pagliuso, PG; Rettori, C
JOURNAL OF PHYSICS-CONDENSED MATTER 25 ( 21 ) 216001 - 216001 2013年05月
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Magnetic order induced by Fe substitution of Al site in the heavy-fermion systems α-YbAlB<sub>4</sub> and β-YbAlB<sub>4</sub>
Kuga, K; Morrison, G; Treadwell, L; Chan, JY; Nakatsuji, S
PHYSICAL REVIEW B 86 ( 22 ) 2012年12月
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Thermoelectric Response Near a Quantum Critical Point of β-YbAlB<sub>4</sub> and YbRh<sub>2</sub>Si<sub>2</sub>: A Comparative Study
Machida, Y; Tomokuni, K; Ogura, C; Izawa, K; Kuga, K; Nakatsuji, S; Lapertot, G; Knebel, G; Brison, JP; Flouquet, J
PHYSICAL REVIEW LETTERS 109 ( 15 ) 156405-1 - 5 2012年10月
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Superconductivity in the Ferroquadrupolar State in the Quadrupolar Kondo Lattice PrTi<sub>2</sub>Al<sub>20</sub>
Sakai, A; Kuga, K; Nakatsuji, S
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 81 ( 8 ) 083702-1 - 4 2012年08月
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T/B scaling of magnetization in the mixed valent compound β-YbAlB <inf>4</inf>
Yosuke Matsumoto, S. Nakatsuji, K. Kuga, Y. Karaki, Y. Shimura, T. Sakakibara, A. H. Nevidomskyy, P. Coleman
Journal of Physics: Conference Series 391 ( 1 ) 012041-1 - 4 2012年
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Anisotropic heavy-Fermi-liquid formation in valence-fluctuating α-YbAlB<sub>4</sub>
Matsumoto, Y; Kuga, K; Tomita, T; Karaki, Y; Nakatsuji, S
PHYSICAL REVIEW B 84 ( 12 ) 125126-1 - 7 2011年09月
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Quantum Critical Kondo Quasiparticles Probed by ESR in β-YbAlB<sub>4</sub>
Holanda, LM; Vargas, JM; Iwamoto, W; Rettori, C; Nakatsuji, S; Kuga, K; Fisk, Z; Oseroff, SB; Pagliuso, PG
PHYSICAL REVIEW LETTERS 107 ( 2 ) 026402-1 - 4 2011年07月
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Anisotropic Electrical Transport in the Heavy Fermion Compound α-YbAlB<sub>4</sub>
Kuga, K; Matsumoto, Y; Horie, N; Nakatsuji, S
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80 ( SUPPL. A ) SA089-1 - 2 2011年07月
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Thermoelectric coefficients of the quantum critical β-YbAlB<sub>4</sub>
Machida, Y; Ogura, C; Izawa, K; Kuga, K; Nakatsuji, S
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80 ( SUPPL. A ) SA088-1 - 3 2011年07月
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NMR/NQR and specific heat studies of iron pnictide superconductor KFe<sub>2</sub>As<sub>2</sub>
Fukazawa, H; Saito, T; Yamada, Y; Kondo, K; Hirano, M; Kohori, Y; Kuga, K; Sakai, A; Matsumoto, Y; Nakatsuji, S; Kihou, K; Iyo, A; Lee, CH; Eisaki, H
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80 ( Suppl.A ) SA118 - SA118 2011年07月
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Low Temperature Magnetic Properties of Pr(Cu,Ga)<sub>13</sub> with Orbitally Degenerate Ground State
Shimura, Y; Sakakibara, T; Kuga, K; Cho, JY; Chan, JY
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80 ( SUPPL. A ) SA072-1 - 3 2011年07月
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Kondo Lattice Behavior in the Valence Fluctuating Systems α- and β-YbAlB<sub>4</sub>
Matsumoto, Y; Kuga, K; Horie, N; Nakatsuji, S
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 80 ( SUPPL. A ) SA090-1 - 3 2011年07月
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Local moment behaviors of the valence fluctuating systems β-YbAlB <inf>4</inf> and α-YbAlB<inf>4</inf>
Y. Matsumoto, K. Kuga, N. Horie, S. Nakatsuji
Journal of Physics: Conference Series 273 ( 1 ) 012006-1 - 4 2011年
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Low-temperature magnetic properties of Pr(Cu,Ga)<inf>12.85</inf>
Y. Shimura, T. Sakakibara, K. Kuga, J. Y. Cho, J. Y. Chan
Journal of Physics: Conference Series 273 ( 1 ) 012054-1 - 4 2011年
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Strong Valence Fluctuation in the Quantum Critical Heavy Fermion Superconductor β-YbAlB<sub>4</sub>: A Hard X-Ray Photoemission Study
Okawa, M; Matsunami, M; Ishizaka, K; Eguchi, R; Taguchi, M; Chainani, A; Takata, Y; Yabashi, M; Tamasaku, K; Nishino, Y; Ishikawa, T; Kuga, K; Horie, N; Nakatsuji, S; Shin, S
PHYSICAL REVIEW LETTERS 104 ( 24 ) 247201-1 - 4 2010年06月
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Low-temperature magnetization of the quantum critical heavy fermion superconductor β-YbAlB<sub>4</sub>
Matsumoto, Y; Kuga, K; Karaki, Y; Tomita, T; Nakatsuji, S
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 247 ( 3 ) 720 - 722 2010年03月
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Pronounced non-Fermi-liquid behavior of the quantum critical heavy fermion superconductor β-YbAlB<sub>4</sub>
Nakatsuji, S; Kuga, K; Tomita, T; Matsumoto, Y
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS 247 ( 3 ) 485 - 489 2010年03月
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Crystal growth, structure, and physical properties of Ln(Cu, Al)<sub>12</sub> (Ln = Y, Ce, Pr, Sm, and Yb) and Ln(Cu, Ga)<sub>12</sub> (Ln = Y, Gd-Er, and Yb)
Drake, BL; Capan, C; Cho, JY; Nambu, Y; Kuga, K; Xiong, YM; Karki, AB; Nakatsuji, S; Adams, PW; Young, DP; Chan, JY
JOURNAL OF PHYSICS-CONDENSED MATTER 22 ( 6 ) 2010年02月