H
Hitoshi Sugawara
Researcher at Kobe University
Publications - 546
Citations - 8788
Hitoshi Sugawara is an academic researcher from Kobe University. The author has contributed to research in topics: Superconductivity & Magnetization. The author has an hindex of 45, co-authored 532 publications receiving 8482 citations. Previous affiliations of Hitoshi Sugawara include Tokyo Metropolitan University & University of Tokushima.
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Time-reversal symmetry-breaking superconductivity in heavy-fermion PrOs4Sb12 detected by muon-spin relaxation.
Y. Aoki,A. Tsuchiya,T. Kanayama,Shanta Saha,Hitoshi Sugawara,Hideyuki Sato,Wataru Higemoto,Akihiro Koda,Kazuki Ohishi,Kusuo Nishiyama,Ryosuke Kadono +10 more
TL;DR: The results reveal the spontaneous appearance of static internal magnetic fields below the superconducting transition temperature, providing unambiguous evidence for the breaking of time-reversal symmetry in the superconductor state.
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Multiple superconducting phases in new heavy fermion superconductor PrOs4Sb12
K. Izawa,Yasuyuki Nakajima,Jun Goryo,Yasuhiro H. Matsuda,S. Osaki,Hitoshi Sugawara,Hideyuki Sato,Peter Thalmeier,Kazumi Maki +8 more
TL;DR: The superconducting gap structure of recently discovered heavy fermion superconductor PrOs4Sb12 was investigated by using thermal transport measurements in magnetic field rotated relative to the crystal axes to infer that the gap functions in both phases have a point node singularity, in contrast to the familiar line nodes singularity observed in almost all unconventional superconductors.
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Anomalous transport properties of R Fe 4 P 12 ( R = La, Ce, Pr, and Nd)
TL;DR: In this article, the authors investigated the resistivity, thermoelectric power (TEP), and Hall coefficient on high-quality single crystals of $R{\mathrm{Fe}}.
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Evidence for Magnetic-Field-Induced Quadrupolar Ordering in the Heavy-Fermion Superconductor PrOs4Sb12
Masahumi Kohgi,Kazuaki Iwasa,Motoki Nakajima,Naoto Metoki,Shingo Araki,N. Bernhoeft,Jean-Michel Mignot,Arsen Gukasov,Hideyuki Sato,Yuji Aoki,Hitoshi Sugawara +10 more
TL;DR: In this paper, the authors showed that a small antiferromagnetic moment, parallel to [010] (y -direction), is induced in the field-induced phase (H ∥ z ).
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Anomalous heavy-fermion and ordered states in the filled skutterudite PrFe 4 P 12
TL;DR: In this paper, the Schottky contribution was used as a highly sensitive on-site probe for the Pr magnetic moment, and an upper bound for the ordered moment was established.