Faculty Profiles - WATANABE Shinji

Papers - WATANABE Shinji

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Dynamical and static structure factors in hedgehog-antihedgehog order in an icosahedral 1/1 approximant crystal Reviewed International journal

Shinji Watanabe

Physical Review B 109 184404-1 - 184404-7 2024.05

Magnetic Dynamics and Nonreciprocal Excitation in Uniform Hedgehog Order in Icosahedral 1/1 Approximant Crystal Reviewed International journal

Shinji Watanabe

Scientific Reports 13 14438-1 - 14438-11 2023.09

Crystalline electric field and magnetic anisotropy in Dy-based icosahedral quasicrystal and approximant Reviewed International journal

Shinji Watanabe, Tatsuya Iwasaki

Physical Review B 108 045110-1 - 045110-6 2023.07

Magnetism and topological property in icosahedral quasicrystal Reviewed International journal

Shinji Watanabe

Journal of Physics: Conference Series 2461 012011-1 - 012011-8 2023.03

Temperature Dependence of Yb Valence in an Au–Al–Yb Intermediate-Valence Quasicrystal Investigated by Yb L3-Edge X-ray Absorption Near-Edge Structure Spectroscopy Reviewed International journal

Watanuki Tetsu, Mizumaki Masaichiro, Watanabe Shinji, Kawamura Naomi, Nitta Kiyofumi, Machida Akihiko, Ishimasa Tsutomu

MATERIALS TRANSACTIONS ( The Japan Institute of Metals and Materials ) 63 ( 10 ) 1380 - 1383 2022.09

Language：English Publishing type：Research paper (scientific journal)

In this paper, we investigate the temperature dependence of Yb valence in an Au–Al–Yb intermediate-valence quasicrystal by Yb L3-edge synchrotron X-ray absorption near-edge structure spectroscopy. The Yb valence of 2.61+ at room temperature decreases monotonically as the temperature decreases, indicating that the Yb ionic radius increases as the temperature decreases and is consistent with the anomalous suppression of the thermal shrinkage of this quasicrystal by cooling, as previously reported. The Yb valence changes by −0.053 on cooling from 298 to 2 K, and its change is more gradual on the high-temperature side than on the low-temperature side with the boundary around 200 K. Additionally, the effect of the changes in the Yb valence on the volume is quantitatively examined. The ratio of the volume changes due to the change in Yb valence per Yb atom, ΔVYb, to the amount of change in Yb valence, Δν, which is expressed as ΔVYb/Δν, was evaluated. The value of ΔVYb/Δν was estimated to be −2.8 Å3/unit Yb valence/Yb atom, whose value was close to that evaluated for YbInCu4.

DOI： 10.2320/matertrans.MT-M2022064

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Magnetic dynamics of hedgehog in icosahedral quasicrystal Reviewed International journal

Shinji Watanabe

Scientific Reports 12 ( 1 ) 15514-1 - 15514-8 2022.09

Magnetic dynamics of ferromagnetic long range order in icosahedral quasicrystal Reviewed International journal

Shinji Watanabe

Scientific Reports 12 ( 1 ) 10792-1 - 10792-9 2022.06

Pressure dependence of the magnetic ground state in CePtSi2 Reviewed International journal

S. E. Dissanayake, F. Ye, W. Tian, M. Matsuda, H. Muto, S. Suzuki, T. Nakano, S. Watanabe, J. Gouchi, and Y. Uwatoko

Physical Review B 105 ( 24 ) 245111-1 - 245111-6 2022.06

Topological magnetic textures and long-range orders in terbium-based quasicrystal and approximant Reviewed International journal

Watanabe S.

Proceedings of the National Academy of Sciences of the United States of America 118(43) ( 43 ) e2112202118-1 - e2112202118-5 2021.10

Magnetism and topology in Tb-based icosahedral quasicrystal Reviewed International journal

Watanabe S.

Scientific Reports 11 ( 11 ) 17679-1 - 17679-8 2021.09

Elastic Softening in Quantum Critical Yb-Al-Au Approximant Crystal and Quasicrystal Reviewed International journal

Watanabe S.

Solid State Communications 336 ( 336 ) 114425-1 - 114425-6 2021.06

Crystalline Electronic Field in Rare-Earth Based Quasicrystal and Approximant: Analysis of Quantum Critical Au-Al-Yb Quasicrystal and Approximant Reviewed

Shinji Watanabe, Mina Kawamoto

J. Phys. Soc. Jpn. 90 ( 6 ) 063701-1 - 063701-5 2021.04

Interplay of valence and semimetal-to-insulator transitions in SmS Reviewed

Watanabe S.

Journal of the Physical Society of Japan 90 ( 2 ) 023706-1 - 023706-5 2021.01

Ultrasound Response in Quantum Critical β-YbAlB4 and α-YbAl0.986Fe0.014B4 Reviewed

Shinji Watanabe

J. Phys. Soc. Jpn. 89 ( 7 ) 073702-1 - 073702-5 2020.06

Theory for Non-Fermi Liquid Temperature Dependence in Resistivity of CexLa1-xCu5.62Au0.38 (x=0.02-0.10) on the Local Quantum Valence Criticality of Ce Impurities Reviewed

K. Miyake, S. Watanabe

JPS Conf. Proc. 30 011027-1 - 011027-7 2020.03

Quantum Valence Criticality in Heavy Fermions on Periodic and Aperiodic Crystals Reviewed

S. Watanabe, K. Miyake

JPS Conf. Proc. 30 011023-1 - 011023-12 2020.03

価数転移に由来する新しい量子現象 Reviewed

渡辺真仁

J-Physics ニュースレター 9 2020.03

磁気量子臨界点近傍の比熱、熱膨張係数、グリュナイゼンパラメーター Invited Reviewed

渡辺真仁

J-Physics ニュースレター 9 2020.03

Charge Transfer Effect under Odd-Parity Crystalline Electric Field Reviewed

S. Watanabe, K. Miyake

JPS Conf. Proc. 29 014001-1 - 014001-10 2020.02

Non-Divergent Grüneisen Parameter in Quantum Critical Quasicrystal Yb15Al34Au51: Reflection of Robustness of Quantum Criticality under Pressure Reviewed International journal

Shinji Watanabe, Kazumasa Miyake

Solid State Communications ( ELSEVIER ) 306 113774-1 - 113774-6 2019.11

価数転移由来の新規量子現象の理論研究

渡辺真仁

J-Physics ニュースレター 7 24 - 25 2019.03

Charge Transfer Effect under Odd-Parity Crystalline Electric Field: Divergence of Magnetic Toroidal Fluctuation in β-YbAlB4 Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of the Physical Society of Japan 88 ( 3 ) 033701-1 - 033701-5 2019.02

Grüneisen Parameter and Thermal Expansion near Magnetic Quantum Critical Points in Itinerant Electron Systems Reviewed

Shinji Watanabe, Kazumasa Miyake

Physical Review B 99 ( 99 ) 035108-1 - 035108-25 2019.01

The Dominant Role of Critical Valence Fluctuations on High Tc Superconductivity in Heavy Fermions Reviewed

Gernot W. Scheerer, Zhi Ren, Shinji Watanabe, Gerard Lapertot, Dai Aoki, Didier Jaccard, Kazumasa Miyake

npj Quantum Materials 3 ( 1 ) 41-1 - 41-6 2018.08

Anomalous temperature dependence of the relaxation rate measured by muon spin rotation in alpha-YbAl0.986Fe0.014B4 Reviewed

Kazumasa Miyake, Shinji Watanabe

Physical Review B 98 ( 7 ) 075125-1 - 075125-6 2018.08

Effects of Crystalline Electronic Field and Onsite Interorbital Interaction in Yb-based Quasicrystal and Approximant Crystal Invited Reviewed

S. Watanabe and K. Miyake

J. Phys.: Condens. Matter 30 184001-1 - 184001-11 2018.04

Yb系準結晶・近似結晶の新しい量子臨界現象 Invited

渡辺真仁

J-Physics ニュースレター 5 10 - 13 2018.03

Grüneisen Parameter and Thermal Expansion by the Self-Consistent Renormalization Theory of Spin Fluctuations Reviewed

S. Watanabe and K. Miyake

J. Phys. Soc. Jpn. 86 034712-1 - 034712-6 2018.02

Coincidence of Magnetic and Valence Quantum Critical Points in CeRhIn5 under Pressure Reviewed

Z. Ren, G. W. Scheerer, D. Aoki, K. Miyake, S. Watanabe, and D. Jaccard

Phys. Rev. B 96 184524-1 - 184524-5 2017.11

New quantum criticality revealed under pressure Invited Reviewed

Watanabe S., Miyake K.

Japanese Journal of Applied Physics 56 ( 56 ) 05FA01-1 - 05FA01-7 2017.05

Ubiquity of Unconventional Phenomena Associated with Critical Valence Fluctuations in Heavy Fermion Metals Invited Reviewed

K. Miyake, S. Watanabe

Philos. Mag. ( 97 ) 3495 - 3516 2017.04

Lifetime-Broadening-Suppressed X-ray Absorption Spectrum of beta-YbAlB4 Deduced from Yb 3d 2p Resonant X-ray Emission Spectroscopy Reviewed

Naomi Kawamura, Noriko Kanai, Hisashi Hayashi, Yasuhiro H. Matsuda, Masaichiro Mizumaki, Kentaro Kuga, Satoru Nakatsuji, and Shinji Watanabe

Journal of the Physical Society of Japan 86 ( 86 ) 014711-1 - 014711-7 2016.12

周期系・準周期系重い電子系に普遍的な新しい量子臨界物性の解明

渡辺真仁

J-Physics ニュースレター 2 19 - 19 2016.09

Origin of quantum criticality in Yb-Al-Au approximant crystal and quasicrystal Reviewed

Watanabe S., Miyake K.

Journal of the Physical Society of Japan 85 ( 6 ) 63703-1 - 63703-5 2016.06

Quantum Criticality in f-Electron Systems on Quasicrystal and Approximant Crystal

Watanabe Shinji

Meeting Abstracts of the Physical Society of Japan ( The Physical Society of Japan ) 71 ( 1 ) 1753 - 1754 2016.03

Basic Properties of Conductivity and Normal Hall Effect in the Periodic Anderson Model Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of the Physical Society of Japan ( 85 ) 044704-1 - 044704-16 2016.03

Quantum Criticality and Emergence of the T/B Scaling in Strongly Correlated Metals Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of Magnetism and Magnetic Materials ( 400 ) 13 - 16 2016.02

Thermal Expansion of a Au-Al-Yb Intermediate Valence Quasicrystal Reviewed

Solid State Communications ( 211 ) 19 - 22 2015.03

Pressure-Induced Valence Crossover and Novel Metamagnetic Behavior near the Antiferromagnetic Quantum Phase Transition of YbNi3Ga9 Reviewed

K. Matsubayashi, T. Hirayama, T. Yamashita, S. Ohara, N. Kawamura, M. Mizumaki, N. Ishimatsu, S. Watanabe, K. Kitagawa, Y. Uwatoko

Physical Review Letters 114 086401-1 - 086401-5 2015.02

High Pressure Properties for Electrical Resistivity and Ce Valence State of Heavy-Fermion Antiferromagnet Ce2NiGa12 Reviewed

N Kawamura, R Sasaki, K Matsubayashi, N Ishimatsu, M Mizumaki, Y Uwatoko, S Ohara and S Watanabe

Journal of Physics: Conference Series 568 042015-1 - 042015-6 2014.12

T/B Scaling in beta-YbAlB4 Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of the Physical Society of Japan 83 103708-1 - 103708-5 2014.09

Unconventional Quantum Criticality Due to Critical Valence Transition Invited Reviewed

Kazumasa Miyake and Shinji Watanabe

Journal of the Physical Society of Japan 83 061006-1 - 061006-10 2014.05

Robustness of Quantum Criticality of Valence Fluctuations Reviewed

Shinji WATANABE and Kazumasa MIYAKE

Journal of the Physical Society of Japan 82 083704-1 - 083704-4 2013.07

Multiprobe Signatures of the Valence Crossover in Heavy Fermion Superconductor CeCu2Si2 Under High Pressure Reviewed

Gabriel Seyfarth, Anna-Sabina Rüetschi, Kausik Sengupta, Antoine Georges,Shinji Watanabe, Kazumasa Miyake, Didier Jaccard

Journal of the Physical Society of Japan Supplement B 81 SB004-1 - SB004-8 2012.12

New universality class of quantum criticality in Ce- and Yb-based heavy fermions Invited Reviewed

24 ( 29 ) 294208-1 - 294208-10 2012.06

Heavy Fermion Superconductor CeCu2Si2 Under High Pressure: Multiprobing The Valence Crossover Reviewed

G. Seyfarth, A.-S. Rüetschi, K. Sengupta, A. Georges, D. Jaccard, S. Watanabe, K. Miyake

Physical Review B 85 205105-1 - 205105-13 2012.05

局所相関の強い遍歴電子系における新しい量子臨界現象の解明 Invited

渡辺真仁

重い電子系の形成と秩序化　ニュースレター 4 ( 2 ) 4 - 6 2012.03

New Frontiers of Quantum Critical End Point

Shinji Watanabe

Journal of the Physical Society of Japan News and Comments ( Journal of the Physical Society of Japan ) 8 12 - 12 2011.08

Sharp Valence Change as Origin of Drastic Change of Fermi Surface and Transport Anomalies in CeRhIn5 under Pressure Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of Physics: Conference Series 273 ( 1 ) 012063-1 - 012063-4 2011.02

Roles of Critical Valence Fluctuations in Ce- and Yb-Based Heavy Fermion Metals Invited Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of Physics: Condensed Matter 23 ( 9 ) 094217-1 - 094217-11 2011.02

Quantum Valence Criticality as an Origin of Unconventional Critical Phenomena Reviewed

Shinji Watanabe, Kazumasa Miyake

Physical Review Letters 105 ( 18 ) 186403-1 - 186403-2 2010.10

Origin of Drastic Change of Fermi Surface and Transport Anomalies in CeRhIn5 under Pressure Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of the Physical Society of Japan 79 033707-1 - 033707-4 2010.03

Influence of Quantum Critical Point of First-Order Valence Transition on Ce- and Yb-based Heavy Fermions Invited Reviewed

Shinji Watanabe, Kazumasa Miyake

physica status solidi (b) 247 ( 3 ) 490 - 494 2010.02

Magnetic-Field Induced Quantum Critical Points of Valence Transition in Ce- and Yb-Based Heavy Fermions Reviewed

Shinji Watanabe, Atsushi Tsuruta, Kazumasa Miyake, Jacques Flouquet

Physica B: Condensed Matter 404 ( 19 ) 2942 - 2945 2009.10

Valence Fluctuations Revealed by Magnetic Field and Pressure Scans: Comparison with Experiments in YbXCu_4 (X=In, Ag, Cd) and CeYIn_5 (Y=Ir, Rh) Reviewed

Shinji Watanabe, Atsushi Tsuruta, Kazumasa Miyake, Jacques Flouquet

Journal of the Physical Society of Japan 78 104706-1 - 104706-13 2009.09

On Proximity of 4/7 Solid Phase of 3He Adsorbed on Graphite -Origin of Specific Heat Anomalies in Hole-Doped Density Ordered Solid- Reviewed

Shinji Watanabe, Masatoshi Imada

Journal of the Physical Society of Japan 78 033603-1 - 033603-4 2009.02

Overcome of Negative Sign problem in Quantum Monte Carlo Method: Development of Path Integral Renormalization Group Method and Application

Shinji Watanabe

Soryushiron Kenkyu 116 F87 - F92 2009.02

Magnetic-Field Control of Quantum Critical Points of Valence Transition Reviewed

Shinji Watanabe, Atsushi Tsuruta, Kazumasa Miyake, and Jacques Flouquet

Physical Review Letters 100 ( 23 ) 236401-1 - 236401-4 2008.06

What is Minimal Model of 3He Adsorbed on Graphite? -Importance of Density Fluctuations in 4/7 Registered Solid- Reviewed

Shinji Watanabe, Masatoshi Imada

Journal of the Physical Society of Japan 76 113603-1 - 113603-4 2007.11

Quantum Valence Criticality and Superconductivity Reviewed

Shinji Watanabe, Masatoshi Imada, Kazumasa Miyake

Journal of Magnetism and Magnetic Materials 310 ( 2 ) 841 - 843 2006.11

Superconductivity Emerging near Quantum Critical Point of Valence Transition Reviewed

Shinji Watanabe, Masatoshi Imada, Kazumasa Miyake

Journal of the Physical Society of Japan 75 043710-1 - 043710-4 2006.04

Algorithm of Path Integral Renormalization Group Method and Application

Shinji Watanabe

Research Institute for Mathematical Sciences Kokyuroku ( Research Institute for Mathematical Sciences ) 1441 28 - 31 2005.05

Thermodynamic Relations in Correlated Systems Reviewed

Shinji Watanabe, Masatoshi Imada

Jounrnal of the Physical Society of Japan 73 3341 - 3350 2004.12

Precise Determination of Phase Diagram for Two-Dimensional Hubbard Model with Filling- and Bandwidth-Control Mott Transitions: Grand-Canonical Path-Integral Renormalization Group Approach Reviewed

Shinji Watanabe, Masatoshi Imada

Journal of the Physical Society of Japan 73 1251 - 1266 2004.05

Absence of Unit Cell Doubling in Nonmagnetic Insulator Phase on Two-Dimensional Lattice with Geometrical Frustration Reviewed International journal

Shinji Watanabe

Journal of the Physical Society of Japan 72 2042 - 2045 2003.08

Coupled CDW and SDW Fluctuations as an Origin of Anomalous Properties of Ferromagnetic Superconductor UGe_2 Reviewed

Shinji Watanabe, Kazumasa Miyake

Journal of the Physical Society of Japan 71 2489 - 2499 2002.10

Nonmagnetic Insulating States near the Mott Transitions on Lattices with Geometrical Frustration and Implications for kappa-(ET)_2Cu_2(CN)_3 Reviewed International journal

Hidekazu Morita, Shinji Watanabe, Masatoshi Imada

Journal of the Physical Society of Japan 71 2109 - 2112 2002.09

A Scenario for Superconductivity of UGe_2 due to Coupled Charge and Spin Fluctuations Reviewed

S. Watanabe, K. Miyake

Journal of Physics and Chemistry of Solids 63 1465 - 1468 2002.06

Coupled charge and spin fluctuations and mechanism of superconductivity in UGe2 under pressures Reviewed

Shinji Watanabe, Kazumasa Miyake

Physica B: Condensed Matter 312-313 115 - 117 2002.03

Partial Ferromagnetism in Semimetallic Systems: Numerical Calculation and Rigorous Proof Reviewed

Shinji Watanabe, Koichi Kusakabe, Yoshio Kuramoto

Physica B: Condensed Matter 312-313 811 - 812 2002.03

Partial Ferromagnetism in a Two-Band Hubbard Model with Semimetallic Bands: Numerical Evidences and a Rigorous Result Reviewed

K. Kusakabe, S. Watanabe, Y. Kuramoto

Journal of the Physical Society of Japan Supplement 71 311 - 313 2002.03

Anisotropy and Pressure Dependence of the Upper Critical Field of the Ferromagnetic Superconductor UGe_2 Reviewed

I. Sheikin, A. Huxley, D. Braithwaite, J. P. Brison, S. Watanabe, K. Miyake, J. Flouquet

Physical Review B 64 220503(R)-1 - 220503(R)-4 2001.11

UGe_2: a Ferromagnetic Superconductor Reviewed

J. Flouquet, A. Huxley, I. Sheikin, N. Kernavanois, D. Braithwaite, E. Ressouche, S. Watanabe, K. Miyake

Journal of the Physical Society of Japan Supplement 70 14 - 17 2001.03

Magnetization Process in Heavy Electron Systems Reviewed International journal

Shinji Watanabe

Journal of the Physical Society of Japan 69 2947 - 2952 2000.09

Ground State and Elementary Excitations in the One-Dimensional f^2 Kondo Lattice Model Reviewed

S. Watanabe, Y. Kuramoto

Physica B: Condensed Matter 281-282 260 - 261 2000.06

Transition from Haldane Phase to Spin Liquid and Incommensurate Correlation in Spin-1/2 Heisenberg Chains Reviewed International journal

Shinji Watanabe, Hisatoshi Yokoyama

Journal of the Physical Society of Japan 68 2073 - 2097 1999.06

Spin, Charge, and Quasi-Particle Gaps in the One-Dimensional Kondo Lattice with f^2 Configuration Reviewed International journal

Shinji Watanabe, Yoshio Kuramoto, Tomotoshi Nishino, Naokazu Shibata

Journal of the Physical Society of Japan 68 159 - 165 1999.01

Competition between Crystalline Electric Field Singlet and Itinerant States of f Electrons Reviewed International journal

Shinji Watanabe, Yoshio Kuramoto

Zeitschrift für Physik B Condensed Matter 104 ( 3 ) 535 - 540 1997.10

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Papers - WATANABE Shinji