Publications & Presentations

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Preprints

1. Microscopic evidence for imaginary charge density wave in a kagome metal
   S. Suetsugu, F. Hori, M. Shibata, S. Kitagawa, K. Ishida, T. Asaba, S. Nakazawa, Q. Li, H. -H. Wen, T. Shibauchi, H. Kontani, Y. Matsuda
   submitted.

2. Gapless spin excitations in a quantum spin liquid state of S=1/2 perfect kagome antiferromagnet

S. Suetsugu, T. Asaba, S. Ikemori, Y. Sekino, Y. Kasahara, K. Totsuka, B. Li, Y. Zhao, Y. Li, Y. Kohama, Y. Matsuda 

arXiv:2407.16208 (2024).

原著論文

2025年

1. Magnetothermal transport in ultraclean single crystals of Kitaev magnet α-RuCl3 

Y. Xing, R. Namba, K. Imamura, K. Ishihara, S. Suetsugu, T. Asaba, K. Hashimoto, T. Shibauchi, Y. Matsuda, Y. Kasahara

npj Quantum Mater. 10, 33 (2025).

2024年

1. Imaging quantum interference in a monolayer Kitaev quantum spin liquid candidate

Y. Kohsaka, S. Akutagawa, S. Omachi, Y. Iwamichi, T. Ono, I. Tanaka, S. Tateishi, H. Murayama, S. Suetsugu, K. Hashimoto, T. Shibauchi, M. O. Takahashi, M. G. Yamada, S. Nikolaev, T. Mizushima, S. Fujimoto, T. Terashima, T. Asaba, Y. Kasahara, Y. Matsuda 

Phys. Rev. X 14, 041026 (2024).

2. Two-step growth of high-quality single crystals of the Kitaev magnet α-RuCl3

R. Namba, K. Imamura, R. Ishioka, K. Ishihara, T. Miyamoto, H. Okamoto, Y. Shimizu, Y. Saito, Y. Agarmani, M. Lang, H. Murayama, Y. Xing, S. Suetsugu, Y. Kasahara, Y. Matsuda, K. Hashimoto, T. Shibauchi

Phys. Rev. Mater. 8, 074404 (2024).

3. Emergent spin-gapped magnetization plateaus in a spin-1/2 perfect kagome antiferromagnet

S. Suetsugu, T. Asaba, Y. Kasahara, Y. Kohsaka, K. Totsuka, B. Li, Y. Zhao, Y. Li, M. Tokunaga, Y. Matsuda

Phys. Rev. Lett. 132, 226701 (2024). 

4. Evidence for a finite-momentum Cooper pair in tricolor d-wave superconducting superlattices

T. Asaba, M. Naritsuka, H. Asaeda, Y. Kosuge, S. Ikemori, S. Suetsugu, Y. Kasahara, Y. Kohsaka, T. Terashima, A. Daido, Y. Yanase, Y. Matsuda

Nat. Commun. 15, 3861 (2024).

5. Majorana-fermion origin of the planar thermal Hall effect in the Kitaev magnet α-RuCl3

K. Imamura*, S. Suetsugu*, Y. Mizukami, Y. Yoshida, K. Hashimoto, K. Ohtsuka, Y. Kasahara, N. Kurita, H. Tanaka, P. Noh, J. Nasu, E.-G. Moon, Y. Matsuda, T. Shibauchi

Sci. Adv. 10, eadk3539 (2024). *equally contributed.

6. Fully gapped pairing state in spin-triplet superconductor UTe2

S. Suetsugu, M. Shimomura, M. Kamimura, T. Asaba, H. Asaeda, Y. Kosuge, Y. Sekino, S. Ikemori, Y. Kasahara, Y. Kohsaka, M. Lee, Y. Yanase, H. Sakai, P. Opletal, Y. Tokiwa, Y. Haga, Y. Matsuda

Sci. Adv. 10, eadk3772 (2024). 

7. Evidence for an odd-parity nematic phase above the charge density wave transition in kagome metal CsV3Sb5

T. Asaba, A. Onishi, Y. Kageyama, T. Kiyosue, K. Ohtsuka, S. Suetsugu, Y. Kohsaka, T. Gaggl, Y. Kasahara, H. Murayama, K. Hashimoto, R. Tazai, H. Kontani, B. R. Ortiz, S. D. Wilson, Q. Li, H.-H. Wen, T. Shibauchi, Y. Matsuda

Nat. Phys. 20, 40-46 (2024).

2023年

1. Growth of self-integrated atomic quantum wires and junctions of a Mott semiconductor

T. Asaba, L. Peng, T. Ono, S. Akutagawa, I. Tanaka, H. Murayama, S. Suetsugu, A. Razpopov, Y. Kasahara, T. Terashima, Y. Kohsaka, T. Shibauchi, M. Ichikawa, R. Valentí, S.-i. Sasa, Y. Matsuda

Sci. Adv. 9, eabq5561 (2023). 

2. Exotic heavy-fermion superconductivity in atomically thin CeCoIn5 films

L. Peng, M. Naritsuka, S. Akutagawa, S. Suetsugu, M. Haze, Y. Kasahara, T. Terashima, R. Peters, Y. Matsuda, T. Asaba

Phys. Rev. B 107, L041101 (2023).

2022年

1. Evidence for a Phase Transition in the Quantum Spin Liquid State of a Kitaev Candidate α-RuCl3

S. Suetsugu, Y. Ukai, M. Shimomura, M. Kamimura, T. Asaba, Y. Kasahara, N. Kurita, H. Tanaka, T. Shibauchi, J. Nasu, Y. Motome, Y. Matsuda

J. Phys. Soc. Jpn. 91, 124703 (2022).

2. Universal scaling of specific heat in the S = 1/2 quantum kagome antiferromagnet herbertsmithite

H. Murayama, T. Tominaga, T. Asaba, A. Silva, Y. Sato, H. Suzuki, Y. Ukai, S. Suetsugu, Y. Kasahara, R. Okuma, I. Kimchi, Y. Matsuda

Phys. Rev. B 106, 174406 (2022). 

3. Quantized and unquantized thermal Hall conductance of the Kitaev spin liquid candidate α-RuCl3

Y. Kasahara, S. Suetsugu, T. Asaba, S. Kasahara, T. Shibauchi, N. Kurita, H. Tanaka, Y. Matsuda

Phys. Rev. B 106, L060410 (2022). 

4. Charge-neutral fermions and magnetic field-driven instability in insulating YbIr3Si7

Y. Sato, S. Suetsugu, T. Tominaga, Y. Kasahara, S. Kasahara, T. Kobayashi, S. Kitagawa, K. Ishida, R. Peters, T. Shibauchi, A. H. Nevidomskyy, L. Qian, E. Morosan, Y. Matsuda

Nat. Commun. 13, 394 (2022). 

5. Intrinsic suppression of the topological thermal Hall effect in an exactly solvable quantum magnet

S. Suetsugu, T. Yokoi, K. Totsuka, T. Ono, I. Tanaka, S. Kasahara, Y. Kasahara, Z. Chengchao, H. Kageyama, Y. Matsuda

Phys. Rev. B 105, 024415 (2022). 

2021年

1. Quasiparticle Nodal Plane in the Fulde-Ferrell-Larkin-Ovchinnikov State of FeSe

S. Kasahara, H. Suzuki, T. Machida, Y. Sato, Y. Ukai, H. Murayama, S. Suetsugu, Y. Kasahara, T. Shibauchi, T. Hanaguri, Y. Matsuda

Phys. Rev. Lett. 127, 257001 (2021). 

2. Giant orbital diamagnetism of three-dimensional Dirac electrons in Sr3PbO antiperovskite

S. Suetsugu, K. Kitagawa, T. Kariyado, A. W. Rost, J. Nuss, C. Mühle, M. Ogata, H. Takagi

Phys. Rev. B 103, 115117 (2021). * Editors' Suggestion 

2020年以前の論文はGoogle scholarへ

解説記事

1. 「キタエフ量子スピン液体の熱輸送現象」

末次祥大，笠原裕一，松田祐司

固体物理 57, 615-631 (2022).

招待講演

1. カゴメ反強磁性体における量子スピン液体と1/9磁化プラトー

日本物理学会第80回年次大会 共催シンポジウム：カゴメ構造がもたらす新しい量子状態, 広島, 日本 (2025)

2. Gapless spin excitations and gapped magnetization plateau phases in a spin-1/2 perfect kagome antiferromagnet

30th International Conference on Low Temperature Physics, Bilbao, Spain (2025).

3. Gapless Spin Liquid and Gapped Magnetization Plateau Phases in a Spin-1/2 Perfect Kagome Antiferromagnet

The 4th Conference on Physics under Synergetic Extreme Conditions, Beijing, China (2025).

4. スピン1/2カゴメ反強磁性体のギャップレススピン励起と磁化プラトー相

ISSP Workshop 2024 カゴメフラストレート磁性研究の進展, 柏, 日本 (2025)

5. スピン 1/2 カゴメ反強磁性体で創発する磁化プラトー状態

強磁場科学研究会「パルスマグネット100周年」, 柏, 日本 (2024)

6. Fully gapped pairing state in spin-triplet superconductor UTe2

Workshop on novel superconductors, Dresden, Germany (2024).

7. Gapless spin liquid and gapped magnetization plateau phases in a spin-1/2 perfect kagome antiferromagnet

Workshop on Physics in kagome lattice materials, Beijing, China (2024).

8. スピン三重項超伝導体UTe2の超伝導ギャップ対称性

UTe2ミニ研究会, 京都, 日本 (2024)

9. Fully gapped pairing state in spin-triplet superconductor UTe2

APS March Meeting 2024, Minneapolis, USA (2024).

10. Fully gapped pairing state in spin-triplet superconductor UTe2

Conference of Condensed Matter Physics 2023, Liyang, China (2023).

11. Fully gapped pairing state in spin-triplet superconductor UTe2

The 10th International Workshop on the Dual Nature of f-Electrons, Himeji, Japan (2023).