論文

公開件数: 46 件
No. 掲載種別 単著・共著区分 タイトル 著者 誌名 出版者 巻号頁 出版日 ISSN DOI URL 概要
1 研究論文(学術雑誌)
共著
Field-induced spin-density wave beyond hidden order in URu2Si2
W. Knafo, F. Duc, F. Bourdarot, K. Kuwahara, H. Nojiri, D. Aoki, J. Billette, P. Frings, X. Tonon, E. Lelièvre-Berna, J. Flouquet, and L.-P. Regnault
Nature Communications

7, 13075
2016




2 研究論文(学術雑誌)
共著
First report on the Electronic, Magnetic and thermal Properties of Filled Skutterudite YbOs4Sb12
H. Kunitoshi, T. D. Matsuda, R. Midorikawa, R. Higashinaka, K. Kuwahara, Y. Aoki, H. Sato
Journal of the Physical Society of Japan

85, 114708
2016




3 研究論文(学術雑誌)
共著
Electronic State of CeFe4As12 Investigated by Using Single Crystals Grown under High Pressure of 4 GPa
Y. Ogawa, H. Sato1,, M. Watanabe1, T. Namiki, S. Tatsuoka, R. Higashinaka, Y. Aoki, K. Kuwahara, J. Yamaura, and Z. Hiroi
Journal of the Physical Society of Japan

83, 034710 (7 pages)
2014




4 研究論文(学術雑誌)
共著
Magnetic Structure of Phase II in U(Ru0.96Rh0.04)2Si2 Determined by Neutron Diffraction under Pulsed High Magnetic Fields
K. Kuwahara, S. Yoshii, H. Nojiri, D. Aoki, W. Knafo, F. Duc, X. Fabrèges, G.W. Scheerer, P. Frings, G.L.J.A. Rikken, F. Bourdarot, L.P. Regnault, and J. Flouquet
Physical Review Letters

110, 216406 (4 pages)
2013




5 研究論文(学術雑誌)
共著
Renormalized Motion of Dysprosium Atoms Filling Boron Cages of DyB6
K. Iwasa, K. Kuwahara, Y. Utsumi, K. Saito, H. Kobayashi, T. Sato, M. Amano, T. Hasegawa, N. Ogita, M. Udagawa, S. Tsutsui, and A.Q.R. Baron
Journal of the Physical Society of Japan

81, 113601 (4 pages)
2012




6 研究論文(学術雑誌)
共著
Magnetic Excitation in Totally Symmetric Staggered Ordered Phase of PrFe4P12
K. Iwasa, L. Hao, M. Kohgi, K. Kuwahara, J.-M. Mignot, H. Sugawara, Y. Aoki, T.D. Matsuda, and H. Sato
Journal of the Physical Society of Japan

81, 094711 (9 pages)
2012




7 研究論文(学術雑誌)
共著
Motion of the guest ion as precursor to the first-order phase transition in the cage system GdB6
K. Iwasa, R. Igarashi, K. Saito, C. Laulhé, T. Orihara, S. Kunii, K. Kuwahara, H. Nakao, Y. Murakami, F. Iga, M. Sera, S. Tsutsui, H. Uchiyama, and A.Q.R. Baron
Physical Review B

84, 214308 (6 pages)
2011




8 研究論文(学術雑誌)
共著
Strong Effect of Yb Filling Fraction on the Magnetic Ground Sate of the Filled Skutterudite YbFe4Sb12
T. Saito, H. Sato, K. Tanaka, S. Tatsuoka, M. Ueda, R. Higashinaka, T. Namiki, Y. Aoki, Y. Utsumi, K. Kuwahara, and T. Hosoya
Journal of the Physical Society of Japan

80, 063708 (4 pages)
2011




9 研究論文(学術雑誌)
共著
Response of Itinerant-Electron Weak Ferromagnet LaFe4As12 to Pressure and Magnetic Field
S. Tatsuoka, M. Watanabe, B. Suemitsu, Y. Ogawa, A. Yamada, K. Matsubayashi, Y. Uwatoko, R. Higashinaka, Y. Aoki, T. Namiki, K. Kuwahara, and H. Sato
Journal of the Physical Society of Japan

79, 063704 (4 pages)
2010




10 研究論文(学術雑誌)

Pressure-Induced Antiferromagnetic Order in Filled Skutterudite PrFe4P12 Studied by Single-Crystal High-Pressure Neutron Diffraction
T. Osakabe, K. Kuwahara, D. Kawana, K. Iwasa, D. Kikuchi, Y. Aoki, M. Kohgi and H. Sato
Journal of the Physical Society of Japan

79, 034711 (7 pages)
2010




11 研究論文(学術雑誌)
共著
Crystal Field Effect on Superconducting Transition in PrxOs4Sb12
K.Tanaka, T. Namiki, A.Imamura, M. Ueda, T. Saito, S. Tatsuoka, R. Miyazaki, K. Kuwahara, Y. Aoki, and H. Sato
Journal of the Physical Society of Japan

78, 063701 (4 pages)
2009




12 研究論文(学術雑誌)

Excitation spectrum of PrOs4Sb12 under a magnetic field
S. Raymond, K. Kuwahara, K. Kaneko, K. Iwasa, M. Kohgi, A. Hiess, J. Flouquet, N. Metoki, H. Sugawara, Y. Aoki and H. Sato
Journal of Physics: Condensed Matter

21, 215702(5pp)
2009




13 研究論文(学術雑誌)
共著
Itinerant-Electron Weak Ferromagnetism in La-Based Filled Skutterudite LaFe4As12
S. Tatsuoka, H. Sato, K. Tanaka, M. Ueda, D. Kikuchi, H. Aoki, T. Ikeno, K. Kuwahara, Y. Aoki, H. Sugawara, and H. Harima
Journal of the Physical Society of Japan

77, 033701 (4 pages)
2008




14 研究論文(学術雑誌)
共著
Magnetic Excitations in Heavy Electron State of Filled Skutterudite PrxLa1-xFe4P12 (x = 1.00 and 0.85)
K. Iwasa, L. Hao, T. Hasegawa, K. Horiuchi, Y. Murakami, J. Otsuki, Y. Kuramoto, M. Kohgi, K. Kuwahara, H. Sugawara, Y. Aoki, and H. Sato
Journal of the Physical Society of Japan

77, 063706 (4 pages)
2008




15 研究論文(学術雑誌)
共著
Anomalous Electronic Behaviors in Ferromagnetic Kondo Lattice SmFe4P12
D. Kikuchi, H. Sugawara, K. Tanaka, H. Aoki, M. Kobayashi, S. Sanada, K. Kuwahara, Y. Aoki, H. Shishido, R. Settai, Y. Ōnuki, H. Harima, and H. Sato
Journal of the Physical Society of Japan

77, 114705 (7 pages)
2008




16 研究論文(その他学術会議資料等)

Detection of Neutron Scattering from Phase IV of Ce0.7La0.3B6: A Confirmation of the Octupole Order
K. Kuwahara, K. Iwasa, M. Kohgi, N. Aso, M.i Sera and F. Iga
Journal of the Physical Society of Japan

76, 093702 (4 pages)
2007




17 研究論文(学術雑誌)
共著
Neutron scattering study on the field-induced Oxy-type antiferroquadrupolar ordering of the heavy-fermion superconductor PrOs4Sb12
K. Kaneko, N. Metoki, R. Shiina, T. D. Matsuda, M. Kohgi, K. Kuwahara and N. Bernhoeft
Physical Review B

75, 094408 (7 pages)
2007




18 研究論文(学術雑誌)
共著
Nonmagnetic Ground State in Fully Filled PrxFe4Sb12 (x=1.0) Synthesized under High Pressure
K. Tanaka, Y. Kawahito, Y. Yonezawa, D. Kikuchi, H. Aoki, K. Kuwahara, M. Ichihara, H. Sugawara, Y. Aoki, and H. Sato
Journal of the Physical Society of Japan

76, 103704 (4 pages)
2007




19 研究論文(その他学術会議資料等)

Structural Transformation on the Pressure-Induced Metal Insulator Transition in PrFe4P12
D. Kawana, K. Kuwahara, M. Sato, M. Takagi, Y. Aoki, M. Kohgi, H. Sato, H. Sagayama, T. Osakabe, K. Iwasa and H. Sugawara
Journal of the Physical Society of Japan

75, 113602 (4 pages)
2006




20 研究論文(学術雑誌)
共著
Magnetic and Transport Properties of Gd3Ir4Sn13 with Unique Crystal Structure
C. Nagoshi, R. Yamamoto, K. Kuwahara, H. Sagayama, D. Kawana, M. Kohgi, H. Sugawara, Y. Aoki, H. Sato, T. Yokoo and M. Arai
Journal of the Physical Society of Japan

75, 044710 (6 pages)
2006




21 研究論文(学術雑誌)
共著
Study of Phonon Anomalies of Rare Earth Hexaborides RB6
M. Kohgi, K. Kuwahara, N. Ogita, M. Udagawa and F. Iga
Journal of the Physical Society of Japan

75, 044710 (6 pages)
2006




22 研究論文(学術雑誌)
共著
The Unconventional Superconductivity of Skutterudite PrOs4Sb12: Time-Reversal Symmetry Breaking and Adjacent Field-Induced Quadrupole Ordering
Y. Aoki, T. Tayama, T. Sakakibara, K. Kuwahara, K. Iwasa, M. Kohgi, W. Higemoto, D.E. MacLaughlin, H. Sugawara and H. Sato
Journal of the Physical Society of Japan

76, 051006 (13 pages)
2006




23 研究論文(学術雑誌)
共著
Unusual Electronic State of the Low-Carrier System CeSb under High Pressure Studied by Simultaneous Measurement of Electrical Resistivity and Lattice Parameter
A. Hannan, Y. Okayama, T. Osakabe, K. Kuwahara and M. Kohgi
Journal of the Physical Society of Japan

76, 054706 (6 pages)
2006




24 研究論文(学術雑誌)

Direct Observation of Quadrupolar Excitons in the Heavy-Fermion Superconductor PrOs4Sb12
K. Kuwahara, K. Iwasa, M. Kohgi, K. Kaneko, N. Metoki, S. Raymond, M.-A. Measson, J. Flouquet, H. Sugawara, Y. Aoki and H. Sato
Physical Review Letters

95, 107003 (4 pages)
2005




25 研究論文(学術雑誌)
共著
Role of p-f Hybridization in the Metal-Non-Metal Transition of PrRu4P12
K. Iwasa, L. Hao, T. Hasegawa, T. Takagi, K. Horiuchi, Y. Mori, Y. Murakami, K. Kuwahara, M. Kohgi, H. Sugawara, S.R. Saha, Y. Aoki and H. Sato
Journal of the Physical Society of Japan

74, 1930-1933
2005




26 研究論文(学術雑誌)
共著
Study of High-field Magnetic Phases of the low-carrier-system CeP by Synchrotron Radiation X-ray Diffraction
A. Hanan, D. Kawana, K. Kuwahara, M. Kohgi, Y. Narumi, Y. Tabata, S. Shimomura, Y. Tanaka and K. Katsumata
Journal of the Physical Society of Japan

74, 2301-2309
2005




27 研究論文(学術雑誌)
共著
Powder neutron diffraction studies of structure and magnetic Ce ordering in the strongly correlated electron compound Ce0.75La0.2511B6
P. Fischer, K. Iwasa, K. Kuwahara, M. Kohgi, T. Hansen and S. Kunii
Physical Review B

72, 014414 (6 pages)
2005




28 研究論文(学術雑誌)
共著
Evolution of 4f-Electron States in the Metal-Insulator Transition of PrRu4P12
K. Iwasa, L. Hao, K. Kuwahara, M. Kohgi, S.R. Saha, H. Sugawara, Y. Aoki, H. Sato, T. Tayama and T. Sakakibara
Physical Review B

72, 024414 (5 pages)
2005




29 研究論文(学術雑誌)

Magnetic Excitations in the Heavy-Fermion Superconductor PrOs4Sb12
K. Kuwahara, K. Iwasa, M. Kohgi, K. Kaneko, S. Araki, N. Metoki, H. Sugawara, Y. Aoki and H. Sato
Journal of the Physical Society of Japan

73, 1438-1441
2004




30 研究論文(その他学術会議資料等)

Spatially inhomogeneous development of antiferromagnetism in URu2Si2: Evidence from 29Si NMR under pressure
K. Mastuda, Y. Kohori, T. Kohara, K. Kuwahara and H. Amitsuka
Physical Review Letters

87, 087203 (4 pages)
2001




31 研究論文(学術雑誌)

Effect of pressure on tiny antiferromagnetic moment in the heavy-electron compound URu2Si2
H. Amitsuka, M. Sato, N. Metoki, M. Yokoyama, K. Kuwahara, T. Sakakibara, H. Morimoto, S. Kawarazaki, Y. Miyako and J.A. Mydosh
Physical Review Letters

83, 5114–5117
1999




32 研究論文(学術雑誌)

Lattice instability and elastic responce in the heavy electron system URu2Si2
K. Kuwahara, H. Amitsuka, T. Sakakibara, O. Suzuki, S. Nakamura, T. Goto, M. Mihalik, A.A. Menovsky, A. de Visser and J.J.M. Franse
Journal of the Physical Society of Japan

66, 3251-3258
1997




33 研究論文(国際会議プロシーディングス)
共著
Science from the Initial Operation of HRC
S. Itoh, T. Yokoo, T. Masuda, H. Yoshizawa, M. Soda, Y. Ikeda, S. Ibuka, D. Kawana, T. J. Sato, Y. Nambu, K. Kuwahara, S. Yano, J. Akimitsu, Y. Kaneko, Y. Tokura, M. Fujita, M. Hase, K. Iwasa, H. Hiraka, T. Fukuda, K. Ikeuchi, K. Yoshida, T. Yamaguchi, K. Ono, and Y. Endoh
JPS Conference Proceedings

8, 034001 (6 pages)
2015




34 研究論文(国際会議プロシーディングス)
共著
Intermultiplet transitions in filled skutterudite SmFe4P12
S. Konno, A. Suzuki, K. Nihei, K. Kuwahara, D. Kawana, T. Yokoo and S. Itoh
Journal of Physics: Conference Series

592, 012029 (6pp)
2015




35 研究論文(国際会議プロシーディングス)
共著
Neutron scattering study on magnetic ordering in a partially rare-earth filled skutterudite PrxFe4Sb12
K. Iwasa, T. Orihara, K. Saito, K. Tomiyasu, Y. Murakami, H. Sugawara, K. Kuwahara, H. Kimura, R. Kiyanagi, Y. Ishikawa, Y. Noda, Y. Aoki, H. Sato and M. Kohgi
Journal of Physics: Conference Series

391, 012025 (4pp)
2012




36 研究論文(国際会議プロシーディングス)
共著
Current understanding of the heavy fermion superconductivity in PrOs4Sb12
H. Sato, K. Tanaka, D. Kikuchi, T. Namiki, R. Higashinaka, Y. Aoki, M. Kohgi, H. Sugawara, K. Kuwahara, and K. Iwasa
Physica C

470, S525-S528
2010




37 研究論文(国際会議プロシーディングス)
共著
Crystal field excitations in PrFe4Sb12 synthesized under high pressure
K. Kuwahara, K. Tanaka, T. Saito , S. Tatsuoka, K. Iwasa, M. Watanabe, Y. Aoki, H. Sato, M. Kohgi, K. Iwasa, H. Sugawara, C. Stock and D. T. Adroja
Journal of Physics: Conference Series

200, 012101 (4pp)
2009




38 研究論文(国際会議プロシーディングス)
共著
Magnetic octupole order in Ce0.7La0.3B6: A polarized neutron diffraction study
K. Kuwahara, K. Iwasa, M. Kohgi, N. Aso, M. Sera, F. Iga, M. Matsuura,and K. Hirota
Physica B

404, 2527-2528
2009




39 研究論文(国際会議プロシーディングス)
共著
Crystal Field Excitations in the Filled Skutterudite NdOs4Sb12
K. Kuwahara, M. Takagi, K. Iwasa, S. Itobe, D. Kikuchi, Y. Aoki, M. Kohgi, H. Sato and H. Sugawara
Physica B

403, 903-905
2008




40 研究論文(国際会議プロシーディングス)
共著
Elastic anomalies of UGe2
K. Kuwahara, T. Sakai, M. Kohgi, Y. Haga and Y. Onuki
Journal of Magnetism and Magnetic Materials

310, 362-364
2007




41 研究論文(国際会議プロシーディングス)
共著
Inelastic neutron scattering measurements in a quadrupolar ordering compound YbSb
A. Oyamada, K. Kuwahara, K. Ohoyama, K. Iwasa, M. Kohgi and S. Maegawa
Journal of Magnetism and Magnetic Materials

310, 766-767
2007




42 研究論文(国際会議プロシーディングス)
共著
Magnetic form factor of URu2Si2
K. Kuwahara, M. Kohgi, K. Iwasa, M. Nishi, K. Nakajima, M. Yokoyama and H. Amitsuka
Physica B

378-380, 581-582
2006




43 研究論文(国際会議プロシーディングス)
共著
Resonant and non-resonant x-ray scattering from GdB6
K. Kuwahara, R. Yamamoto, M. Kohgi, H. Nakao, K. Ishii, K. Iwasa, Y. Murakami, S. Kunii, H. Sagayama, Y. Wakabayashi and H. Sawa
Physica B

359-361, 965-967
2005




44 研究論文(国際会議プロシーディングス)

Neutron-diffraction studies of the unusual ordered phases of Ce0.75La0.25B6
K. Iwasa, K. Kuwahara, M. Kohgi, P. Fischer, A. Donni, L. Keller, T. C. Hansen, S. Kunii, N. Metoki and K. Ohyama
Physica B

329-333, 582-583
2003




45 研究論文(国際会議プロシーディングス)
共著
Magnetic form factor of UGe2 under high pressure
K. Kuwahara, H. Sagayama, K. Iwasa, M. Kohgi, Y. Haga, Y. Onuki, K. Kakurai, M. Nishi, K. Nakajima, N. Aso and Y. Uwatoko
Physica B

312-313C, 106-108
2002




46 研究論文(国際会議プロシーディングス)
共著
EXCED - Epithermal neutron diffractometer at KENS
K. Kuwahara, S. Sugiyama, K. Iwasa, M. Kohgi, M. Nakamura, Y. Inamura, M. Arai and S. Kunii
Applied Physics A

74, S302-S304
2002