Selected papers

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( Last updated: Dec. 14, 2024 )

Review papers

  1. Angle-resolved heat capacity of heavy fermion superconductors
    Toshiro Sakakibara, Shunichiro Kittaka, and Kazushige Machida
    Rep. Prog. Phys. 79 094002 2016
    Invited paper in a special issue on Strongly Correlated Electron Systems.
  2. Evaluation of Spin-Triplet Superconductivity in Sr2RuO4
    Yoshiteru Maeno, Shunichiro Kittaka, Takuji Nomura, Shingo Yonezawa, Kenji Ishida
    J. Phys. Soc. Jpn. 81 011009 2012
    (preprint: arXiv:1112.1620)
    JPSJ Special Topics. You can download it freely.

解説記事

  1. 磁場角度回転比熱測定による超伝導研究
    橘高 俊一郎
    物性研究・電子版 6 061204 2017
    （J-Physics若手夏の学校テキスト）
  2. 重い電子系における超伝導研究の新展開 ―磁場角度分解比熱測定からみたギャップ対称性―
    橘高 俊一郎、榊原 俊郎、町田 一成
    月刊誌「固体物理」 Vol. 51 No. 8, 411 2016

Original papers

  1. Rotational Grüneisen ratio: a new probe for quantum criticality in anisotropic systems
    Shohei Yuasa, Yohei Kono, Yuta Ozaki, Minoru Yamashita, Yasuyuki Shimura, Toshiro Takabatake, and Shunichiro Kittaka
    accepted for publication in Phys. Rev. B
    (preprint: arXiv:2412.09047)
  2. Anisotropy of the magnetic-field-induced phase pocket in the non-Kramers doublet system PrIr2Zn20
    Shunichiro Kittaka, Takahiro Onimaru, Keisuke T. Matsumoto, and Toshiro Sakakibara
    Phys. Rev. B 110 L081106 2024 9th Aug.
    (preprint: arXiv:2407.14383)
  3. Modulation vector of the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5 revealed by high-resolution magnetostriction measurements
    Shunichiro Kittaka, Yohei Kono, Kaito Tsunashima, Daisuke Kimoto, Makoto Yokoyama, Yusei Shimizu, Toshiro Sakakibara, Minoru Yamashita, and Kazushige Machida
    Phys. Rev. B 107 L220505 2023 30th June
    (preprint: arXiv:2306.12207)
  4. Field-Angle-Resolved Landscape of Non-Fermi-Liquid Behavior in the Quasi-Kagome Kondo Lattice CeRhSn
    Shunichiro Kittaka, Yohei Kono, Suguru Tsuda, Toshiro Takabatake, and Toshiro Sakakibara
    J. Phys. Soc. Jpn. 90 064703 2021 11th May
    (preprint: arXiv:1904.08663)
  5. Orientation of point nodes and non-unitary triplet pairing tuned by the easy-axis magnetization in UTe2
    Shunichiro Kittaka, Yusei Shimizu, Toshiro Sakakibara, Ai Nakamura, Dexin Li, Yoshiya Homma, Fuminori Honda, Dai Aoki, and Kazushige Machida
    Phys. Rev. Res. 2 032014(R) 2020 13th July
    (preprint: arXiv:2002.06385)
    This paper is OPEN ACESS. You can download it freely.
  6. Field-Orientation Effect on Ferro-Quadrupole Order in PrTi2Al20
    Shunichiro Kittaka, Takanori Taniguchi, Kazumasa Hattori, Shota Nakamura, Toshiro Sakakibara, Masashi Takigawa, Masaki Tsujimoto, Akito Sakai, Yosuke Matsumoto, and Satoru Nakatsuji
    J. Phys. Soc. Jpn. 89 043701 2020
    (preprint: arXiv:1912.11650)
  7. Quasi-particle evidence for the nematic state above Tc in SrxBi2Se3
    Yue Sun, Shunichiro Kittaka, Toshiro Sakakibara, Kazushige Machida, Jinghui Wang, Jinsheng Wen, XiangZhuo Xing, Zhixiang Shi, and Tsuyoshi Tamegai
    Phys. Rev. Lett. 123 027002 2019
    (preprint: arXiv:1902.08903)
  8. Searching for gap zeros in Sr2RuO4 via field-angle-dependent specific-heat measurement
    Shunichiro Kittaka, Shota Nakamura, Toshiro Sakakibara, Naoki Kikugawa, Taichi Terashima, Shinya Uji, Dmitry A. Sokolov, Andrew P. Mackenzie, Koki Irie, Yasumasa Tsutsumi, Katsuhiro Suzuki, and Kazushige Machida
    J. Phys. Soc. Jpn. 87 093703 2018
    (preprint: arXiv:1807.08909)
    This paper is OPEN SELECT. You can download it freely.
  9. Field-rotational magnetocaloric effect: a new experimental technique for accurate measurement of the anisotropic magnetic entropy
    Shunichiro Kittaka, Shota Nakamura, Hiroaki Kadowaki, Hiroshi Takatsu, and Toshiro Sakakibara
    J. Phys. Soc. Jpn. 87 073601 2018
    (preprint: arXiv:1805.07940)
    This paper is OPEN SELECT. You can download it freely.
  10. Gap structure of FeSe determined by angle-resolved specific heat measurements in applied rotating magnetic field
    Yue Sun, Shunichiro Kittaka, Shota Nakamura, Toshiro Sakakibara, Koki Irie, Takuya Nomoto, Kazushige Machida, Jingting Chen, and Tsuyoshi Tamegai
    Phys. Rev. B 96 220505(R) 2017
    (preprint: arXiv:1707.00547)
  11. Quasiparticle Excitations and Evidence for Superconducting Double Transitions in Monocrystalline U0.97Th0.03Be13
    Yusei Shimizu, Shunichiro Kittaka, Shota Nakamura, Toshiro Sakakibara, Dai Aoki, Yoshiya Homma, Ai Nakamura, and Kazushige Machida
    Phys. Rev. B 96 100505(R) 2017
    (preprint: arXiv:1709.00128)
    This paper was selected for an Editors' Suggestion.
  12. Wing structure in the phase diagram of the Ising Ferromagnet URhGe close to its tricritical point investigated by angle-resolved magnetization measurements
    Shota Nakamura, Toshiro Sakakibara, Yusei Shimizu, Shunichiro Kittaka, Yohei Kono, Yoshinori Haga, Jiří Pospíšil, and Etsuji Yamamoto
    Phys. Rev. B 96 094411 2017
    (preprint: arXiv:1709.00135)
    This paper was selected for an Editors' Suggestion.
  13. Omni-directional measurements of angle-resolved heat capacity for complete detection of superconducting gap structure in the heavy-fermion antiferromagnet UPd2Al3
    Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara, Yasumasa Tsutsumi, Takuya Nomoto, Hiroaki Ikeda, Kazushige Machida, Yoshiya Homma, and Dai Aoki
    Phys. Rev. Lett. 117 037001 2016
    This paper was selected for an Editors' Suggestion.
  14. Evidence for chiral d-wave superconductivity in URu2Si2 from the field-angle variation of its specific heat
    Shunichiro Kittaka, Yusei Shimizu, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Yasumasa Tsutsumi, Takuya Nomoto, Hiroaki Ikeda, and Kazushige Machida
    J. Phys. Soc. Jpn. 85 033704 2016
    (preprint: arXiv:1511.06060)
    This paper was selected for an Editors' Choice. You can download it freely (OPEN SELECT).
  15. Field-Orientation Dependence of Low-Energy Quasiparticle Excitations in the Heavy-Electron Superconductor UBe13
    Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Hiroshi Amitsuka, Yasumasa Tsutsumi, and Kazushige Machida
    Phys. Rev. Lett. 114 147002 2015
    (preprint: arXiv:1411.1504)
  16. Sharp Magnetization Jump at the First-Order Superconducting Transition in Sr2RuO4
    Shunichiro Kittaka, Akira Kasahara, Toshiro Sakakibara, Daisuke Shibata, Shingo Yonezawa, Yoshiteru Maeno, Kenichi Tenya, and Kazushige Machida
    Phys. Rev. B 90 220502(R) 2014
    (preprint: arXiv:1410.0798)
  17. Multiband superconductivity with unexpected deficiency of nodal quasiparticles in CeCu2Si2
    Shunichiro Kittaka, Yuya Aoki, Yasuyuki Shimura, Toshiro Sakakibara, Silvia Seiro, Christoph Geibel, Frank Steglich, Hiroaki Ikeda, and Kazushige Machida
    Phys. Rev. Lett. 112 067002 2014
    (preprint: arXiv:1307.3499)
  18. Thermodynamic study of nodal structure and multiband superconductivity of KFe2As2
    Shunichiro Kittaka, Yuya Aoki, Naoki Kase, Toshiro Sakakibara, Taku Saito, Hideto Fukazawa, Yoh Kohori, Kunihiro Kihou, Chul Ho Lee, Akira Iyo, Hiroshi Eisaki, Kazuhiko Deguchi, Noriaki K. Sato, Yasumasa Tsutsumi, and Kazushige Machida
    J. Phys. Soc. Jpn. 83 013704 2014
    (preprint: arXiv:1312.2660)
    This paper is OPEN SELECT. You can download it freely.
  19. Anomalous Field-Angle Dependence of the Specific Heat of Heavy-Fermion Superconductor UPt3
    Shunichiro Kittaka, Koji An, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Noriaki Kimura, Yoshichika Onuki, and Kazushige Machida
    J. Phys. Soc. Jpn. 82 024707 2013
    (preprint: arXiv:1212.3038)
    This paper was selected for an Editors' Choice.
  20. Superconducting gap structure of CeIrIn5 from field-angle-resolved measurements of its specific heat
    Shunichiro Kittaka, Yuya Aoki, Toshiro Sakakibara, Akito Sakai, Satoru Nakatsuji, Yasumasa Tsutsumi, Masanori Ichioka and Kazushige Machida
    Phys. Rev. B 85 060505(R) 2012
    (preprint: arXiv:1111.5388)
    This paper was selected for an Editors' Suggestion & a Synopsis in Physics.
  21. Higher-Tc superconducting phase in Sr2RuO4 induced by uniaxial pressure
    Shunichiro Kittaka, Haruka Taniguchi, Shingo Yonezawa, Hiroshi Yaguchi, and Yoshiteru Maeno
    Phys. Rev. B 81 180510(R) 2010
    (preprint: arXiv:1004.3705)
  22. Angular dependence of the upper critical field of Sr2RuO4
    S. Kittaka, T. Nakamura, Y. Aono, S. Yonezawa, K. Ishida, and Y. Maeno
    Phys. Rev. B 80 174514 2009
    (preprint: arXiv:0906.2513)

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