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Journal Articles

Fully gapped pairing state in spin-triplet superconductor UTe$$_2$$

Suetsugu, Shota*; Sakai, Hironori; Opletal, P.; Tokiwa, Yoshifumi; Haga, Yoshinori; 12 of others*

Science Advances (Internet), 10(6), p.eadk3772_1 - eadk3772_6, 2024/02

https://doi.org/10.1126/sciadv.adk3772
 Times Cited Count：22 Percentile：97.52(Multidisciplinary Sciences)

Journal Articles

Quasi-2D Fermi surface in the anomalous superconductor UTe$$_2$$

Eaton, A. G.*; Weinberger, T. I.*; Popiel, N. J. M.*; Wu, Z.*; Hickey, A. J.*; Cabala, A.*; Posp$'i$$v{s}$il, J.*; Prokle$v{s}$ka, J.*; Haidamak, T.*; Bastien, G.*; et al.

Nature Communications (Internet), 15, p.223_1 - 223_10, 2024/01

https://doi.org/10.1038/s41467-023-44110-4

Journal Articles

Chiral superconductivity in UTe$$_2$$ probed by anisotropic low-energy excitations

Ishihara, Kota*; Roppongi, Masaki*; Kobayashi, Masayuki*; Imamura, Kumpei*; Mizukami, Yuta*; Sakai, Hironori; Opletal, P.; Tokiwa, Yoshifumi; Haga, Yoshinori; Hashimoto, Kenichiro*; et al.

Nature Communications (Internet), 14, p.2966_1 - 2966_7, 2023/05

https://doi.org/10.1038/s41467-023-38688-y
 Times Cited Count：42 Percentile：97.89(Multidisciplinary Sciences)

The superconducting symmetry of the heavy fermion uranium-based superconductor UTe$$_2$$ is investigated using low temperature penetration depth measurements. The anisotropic low-energy quasiparticle excitations indicates multiple superconducting components in a chiral complex form. The most consistent is a chiral non-unitary state.

Journal Articles

Anisotropic enhancement of lower critical field in ultraclean crystals of spin-triplet superconductor candidate UTe$$_2$$

Ishihara, Kota*; Kobayashi, Masayuki*; Imamura, Kumpei*; Konczykowski, M.*; Sakai, Hironori; Opletal, P.; Tokiwa, Yoshifumi; Haga, Yoshinori; Hashimoto, Kenichiro*; Shibauchi, Takasada*

Physical Review Research (Internet), 5(2), p.L022002_1 - L022002_6, 2023/04

https://doi.org/10.1103/PhysRevResearch.5.L022002

Lower superconducting critical fields $$H_{rm c1}$$ of UTe$$_2$$ have been determined. Orthorhombic UTe$$_2$$ has magnetic easy axis along the $$a$$-axis. We found $$H_{rm c1}$$ perpendicular to $$a$$ showed anomalous enhancement. By comparing with anisotropy of upper critical fields, effect of magnetic fluctuations on superconductivity is suggested.

Journal Articles

Characteristic Fermi surface properties in $$f$$-electron systems

Onuki, Yoshichika*; Settai, Rikio*; Haga, Yoshinori; Takeuchi, Tetsuya*; Hedo, Masato*; Nakama, Takao*

Quantum Science; The Frontier of Physics and Chemistry, p.21 - 63, 2022/10

https://doi.org/10.1007/978-981-19-4421-5_2

Journal Articles

First observation of the de Haas-van Alphen effect and Fermi surfaces in the unconventional superconductor UTe$$_2$$

Aoki, Dai*; Sakai, Hironori; Opletal, P.; Tokiwa, Yoshifumi; Ishizuka, Jun*; Yanase, Yoichi*; Harima, Hisatomo*; Nakamura, Ai*; Li, D.*; Homma, Yoshiya*; et al.

Journal of the Physical Society of Japan, 91(8), p.083704_1 - 083704_5, 2022/08

https://doi.org/10.7566/JPSJ.91.083704
 Times Cited Count：63 Percentile：98.02(Physics, Multidisciplinary)

Journal Articles

Effect of uranium deficiency on normal and superconducting properties in unconventional superconductor UTe$$_2$$

Haga, Yoshinori; Opletal, P.; Tokiwa, Yoshifumi; Yamamoto, Etsuji; Tokunaga, Yo; Kambe, Shinsaku; Sakai, Hironori

Journal of Physics; Condensed Matter, 34(17), p.175601_1 - 175601_7, 2022/04

https://doi.org/10.1088/1361-648X/ac5201
 Times Cited Count：32 Percentile：85.25(Physics, Condensed Matter)

Journal Articles

Observation of longitudinal magnetic fluctuations at a first-order ferromagnetic quantum phase transition in UGe$$_2$$

Noma, Yuichiro*; Kotegawa, Hisashi*; Kubo, Tetsuro*; To, Hideki*; Harima, Hisatomo*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika*; Ito, Kohei*; Nakamura, Ai*; et al.

Journal of the Physical Society of Japan, 90(7), p.073707_1 - 073707_5, 2021/07

https://doi.org/10.7566/JPSJ.90.073707
 Times Cited Count：1 Percentile：10.76(Physics, Multidisciplinary)

Journal Articles

Intriguing behavior of UCo$$_{1-x}$$Rh$$_x$$Ge ferromagnets in magnetic field along the $$b$$ axis

Posp$'i$$v{s}$il, J.*; Haga, Yoshinori; Miyake, Atsushi*; Kambe, Shinsaku; Tokunaga, Yo; Tokunaga, Masashi*; Yamamoto, Etsuji; Proschek, P.*; Voln$'y$, J.*; Sechovsk$'y$, V.*

Physical Review B, 102(2), p.024442_1 - 024442_13, 2020/07

https://doi.org/10.1103/PhysRevB.102.024442
 Times Cited Count：7 Percentile：32.80(Materials Science, Multidisciplinary)

Journal Articles

NMR studies on antiferromagnetic fluctuation in UPt$$_3$$

Aoyama, Taisuke*; Kotegawa, Hisashi*; To, Hideki*; Kimura, Noriaki*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika*

Physica B; Condensed Matter, 570, p.349 - 351, 2019/10

https://doi.org/10.1016/j.physb.2018.02.031
 Times Cited Count：1 Percentile：0.00(Physics, Condensed Matter)

Journal Articles

Evidence for weak spin-orbit interaction experienced by Cooper pairs in the spin-triplet superconductor UPt$$_3$$; $$^{195}$$Pt-NMR study

Aoyama, Taisuke*; Kotegawa, Hisashi*; Kimura, Noriaki*; Yamamoto, Etsuji; Haga, Yoshinori; Onuki, Yoshichika*; To, Hideki*

Journal of the Physical Society of Japan, 88(6), p.064706_1 - 064706_7, 2019/06

https://doi.org/10.7566/JPSJ.88.064706
 Times Cited Count：2 Percentile：17.51(Physics, Multidisciplinary)

Journal Articles

Magnetization study on the Ising ferromagnet URhGe with high-precision angle-resolved magnetic field near the hard axis

Nakamura, Shota*; Sakakibara, Toshiro*; Shimizu, Yusei*; Kittaka, Shunichiro*; Kono, Yohei*; Haga, Yoshinori; Pospisil, J.; Yamamoto, Etsuji

Progress in Nuclear Science and Technology (Internet), 5, p.123 - 127, 2018/11

https://doi.org/10.15669/pnst.5.123

Journal Articles

Anisotropic magnetic fluctuations in ferromagnetic superconductor UGe$$_2$$; $$^{73}$$Ge-NQR study at ambient pressure

Noma, Yuichiro*; Kotegawa, Hisashi*; Kubo, Tetsuro*; To, Hideki*; Harima, Hisatomo*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika*; Ito, Kohei*; Haller, E. E.*; et al.

Journal of the Physical Society of Japan, 87(3), p.033704_1 - 033704_5, 2018/03

https://doi.org/10.7566/JPSJ.87.033704
 Times Cited Count：4 Percentile：32.02(Physics, Multidisciplinary)

Journal Articles

Unusual pressure evolution of the Meissner and Josephson effects in the heavy-fermion superconductor UPt$$_3$$

Gochi, Jun*; Sumiyama, Akihiko*; Yamaguchi, Akira*; Motoyama, Gaku*; Kimura, Noriaki*; Yamamoto, Etsuji; Haga, Yoshinori; Onuki, Yoshichika

Physical Review B, 93(17), p.174514_1 - 174514_5, 2016/05

https://doi.org/10.1103/PhysRevB.93.174514
 Times Cited Count：2 Percentile：9.49(Materials Science, Multidisciplinary)

Journal Articles

Superconducting and Fermi surface properties of single crystal Zr$$_2$$Co

Teruya, Atsushi*; Kakihana, Masashi*; Takeuchi, Tetsuya*; Aoki, Dai*; Honda, Fuminori*; Nakamura, Ai*; Haga, Yoshinori; Matsubayashi, Kazuyuki*; Uwatoko, Yoshiya*; Harima, Hisatomo*; et al.

Journal of the Physical Society of Japan, 85(3), p.034706_1 - 034706_10, 2016/03

https://doi.org/10.7566/JPSJ.85.034706
 Times Cited Count：10 Percentile：54.86(Physics, Multidisciplinary)

Journal Articles

Evidence for chiral $$d$$-wave superconductivity in URu$$_2$$Si$$_2$$ from the field-angle variation of its specific heat

Kittaka, Shunichiro*; Shimizu, Yusei*; Sakakibara, Toshiro*; Haga, Yoshinori; Yamamoto, Etsuji; Onuki, Yoshichika; Tsutsumi, Yasumasa*; Nomoto, Takuya*; Ikeda, Hiroaki*; Machida, Kazushige*

Journal of the Physical Society of Japan, 85(3), p.033704_1 - 033704_4, 2016/03

https://doi.org/10.7566/JPSJ.85.033704
 Times Cited Count：35 Percentile：82.48(Physics, Multidisciplinary)

Journal Articles

Magnetic anisotropy and thermodynamic anomaly in the superconducting mixed state of UBe$$_{13}$$ probed by static dc magnetization measurements

Shimizu, Yusei*; Haga, Yoshinori; Yanagisawa, Tatsuya*; Amitsuka, Hiroshi*

Physical Review B, 93(2), p.024502_1 - 024502_8, 2016/01

https://doi.org/10.1103/PhysRevB.93.024502
 Times Cited Count：8 Percentile：34.33(Materials Science, Multidisciplinary)

Journal Articles

Magnetic and electronic properties of URu$$_2$$Si$$_2$$ revealed by comparison with nonmagnetic references ThRu$$_2$$Si$$_2$$ and LaRu$$_2$$Si$$_2$$

Emi, Naoya*; Hamabata, Ryosuke*; Nakayama, Daisuke*; Miki, Toshihiro*; Koyama, Takehide*; Ueda, Koichi*; Mito, Takeshi*; Kohori, Yo*; Matsumoto, Yuji*; Haga, Yoshinori; et al.

Journal of the Physical Society of Japan, 84(6), p.063702_1 - 063702_4, 2015/06

https://doi.org/10.7566/JPSJ.84.063702
 Times Cited Count：10 Percentile：55.81(Physics, Multidisciplinary)

Journal Articles

DC magnetization study on heavy-electron superconductor UBe$$_{13}$$

Shimizu, Yusei*; Haga, Yoshinori; Yanagisawa, Tatsuya*; Amitsuka, Hiroshi*; Aoki, Dai*; Brison, J.-P.*; Braithwaite, D.*

JPS Conference Proceedings (Internet), 3, p.015009_1 - 015009_6, 2014/06

https://doi.org/10.7566/JPSCP.3.015009

Journal Articles

Pairing symmetry of UPt$$_3$$ probed by thermal transport tensors

Izawa, Koichi*; Machida, Yo*; Ito, Atsushi*; So, Yoshinao*; Ota, Katsuya*; Haga, Yoshinori; Yamamoto, Etsuji; Kimura, Noriaki*; Onuki, Yoshichika; Tsutsumi, Yasumasa*; et al.

Journal of the Physical Society of Japan, 83(6), p.061013_1 - 061013_8, 2014/06

https://doi.org/10.7566/JPSJ.83.061013
 Times Cited Count：24 Percentile：74.73(Physics, Multidisciplinary)

63 (Records 1-20 displayed on this page)