研究成果 / Research Achievement
研究成果 / Research Achievement
Sadashige Matsuo*, Russell S. Deacon, Shohei Kobayashi, Yosuke Sato, Tomohiro Yokoyama, Tyler Lindemann, Sergei Gronin, Geoffrey C. Gardner, Koji Ishibashi, Michael J. Manfra, Seigo Tarucha*, "Shapiro response of superconducting diode effect derived from Andreev molecules", Phys. Rev. B 111, 094512 (2025)
Sadashige Matsuo*, Takaya Imoto, Tomohiro Yokoyama, Yosuke Sato, Tyler Lindemann, Sergei Gronin, Geoffrey C. Gardner, Michael J. Manfra, Seigo Tarucha*, "Phase engineering of anomalous Josephson effect derived from Andreev molecules", Science Advances 9, eadj3698(2023), プレスリリース
Sadashige Matsuo*, Takaya Imoto, Tomohiro Yokoyama*, Yosuke Sato, Tyler Lindemann, Sergei Gronin, Geoffrey C. Gardner, Sho Nakosai, Yukio Tanaka, Michael J. Manfra, Seigo Tarucha*, "Phase-dependent Andreev molecules and superconducting gap closing in coherently-coupled Josephson junctions", Nature Communications 14, 8271(2023), プレスリリース, Research highlight
Kazuyuki Kuroyama*, Sadashige Matsuo, Seigo Tarucha, Yasuhiro Tokura*, "Phonon-mediated spin dynamics in a two-electron double quantum dot under a phonon temperature gradient", Phys. Rev. B 108, 115308 (2023)
Sadashige Matsuo*, Takaya Imoto, Tomohiro Yokoyama, Yosuke Sato, Tyler Lindemann, Sergei Gronin, Geoffrey C. Gardner, Michael J. Manfra, Seigo Tarucha*, "Josephson diode effect derived from short-range coherent coupling", Nature Physics 19, 1636 (2023), プレスリリース, Research highlight
Sadashige Matsuo*, Joon Sue Lee, Chien-Yuan Chang, Yosuke Sato, Kento Ueda, Christopher J. Palmstrom, Seigo Tarucha*, "Observation of nonlocal Josephson effect on double InAs naonwires", Communications Physics 5, 221 (2022), プレスリリース
Kazuyuki Kuroyama*, Sadashige Matsuo*, Jo Muramoto, Shunsuke Yabunaka, Sasha R. Valentin, Arne Ludwig, Andreas D. Wieck, Yasuhiro Tokura, Seigo Tarucha*, "Real-time observation of charge-spin cooperative dynamics driven by a nonequilibrium phonon environment", Phys. Rev. Lett. 129, 095901 (2022) selected as Editors' Suggestion, プレスリリース、Research highlight
Yosuke Sato*†, Kento Ueda*†, Yuusuke Takeshige, Hiroshi Kamata, Kan Li, Lars Samuelson, Hongqi Xu, Sadashige Matsuo*, Seigo Tarucha*, "Quasiparticle trapping at vortices producing Josephson supercurrent enhancement", Phys. Rev. Lett. 128, 207001 (2022) selected as Editors' Suggestion, プレスリリース
Kento Ueda*, Sadashige Matsuo*, Hiroshi Kamata, Yosuke Sato, Yuusuke Takeshige, Kan Li, Lars Samuelson, Hongqi Xu*, Seigo Tarucha*, "Evidence of half-integer Shapiro steps originated from non-sinusoidal current phase relation in a short ballistic InAs nanowire Josephson junction", Phys. Rev. Research 2, 033435 (2020)
Sadashige Matsuo*†, Kazuyuki Kuroyama*†, Shunsuke Yabunaka, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha*, “Full counting statistics of spin-flip and spin-conserving charge transitions in Pauli-spin blockade”, Phys. Rev. Research 2, 033120 (2020)
Sadashige Matsuo*, Mizuki Tateno, Yosuke Sato, Kento Ueda, Yuusuke Takeshige, Hiroshi Kamata, Joon Sue Lee, Borzoyeh Shojaei, Christopher J. Palmstrom, Seigo Tarucha*, “Evaluation of the vortex core size in gate-tunable Josephson junctions in Corbino geometry”, Phys. Rev. B 102, 045301 (2020)
Yuusuke Takeshige, Sadashige Matsuo*, Russell S. Deacon, Kento Ueda, Yosuke Sato, Yi-Fan Zhao, Lingjie Zhou, Cui-Zu Chang, Koji Ishibashi, Seigo Tarucha*, "Experimental study of ac Josephson effect in gate-tunable (Bi1−xSbx)2Te3 thin-film Josephson junctions", Phys. Rev. B 101, 115410 (2020)
Kento Ueda*†, Sadashige Matsuo*†, Hiroshi Kamata, Shoji Baba, Yosuke Sato, Yusuke Takeshige, Kan Li, Soren Jeppesen, Lars Samuelson, Hongqi Xu*, Seigo Tarucha*, “Dominant non-local superconducting proximity effect due to electron-electron interaction in a ballistic double nanowire”, Science Advances 5, eaaw2194 (2019), プレスリリース, press release, 紹介記事
Chen-Hsuan Hsu, Peter Stano, Yosuke Sato, Sadashige Matsuo, Seigo Tarucha, Daniel Loss, “Charge transport of a spin-orbit-coupled Tomonaga-Luttinger liquid”, Phys. Rev. B 100, 195423 (2019)
Yosuke Sato*†, Sadashige Matsuo*†, Chen-Hsuan Hsu, Peter Stano, Kento Ueda, Yuusuke Takeshige, Hiroshi Kamata, Joon Sue Lee, Borzoyeh Shojaei, Kaushini Wickramasinghe, Javad Shabani, Chris Palmstrøm, Yasuhiro Tokura, Daniel Loss, Seigo Tarucha*, “Strong electron-electron interactions of a Tomonaga-Luttinger liquid observed in InAs quantum wires”, Phys. Rev. B 99, 155304 (2019)
Kazuyuki Kuroyama*, Marcus Larsson*, Jo Muramoto, Kentaro Heya, Takafumi Fujita, Giles Allison, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Sadashige Matsuo*, Akira Oiwa, Seigo Tarucha*, “Photogeneration of a single electron from a single Zeeman-resolved light-hole exciton with preserved angular momentum”, Phys. Rev. B 99. 085203 (2019)
Hiroshi Kamata*, Russell S. Deacon*, Sadashige Matsuo, Kan Li, Soren Jeppesen, Lars Samuelson, Hongqi Xu, Koji Ishibashi, Seigo Tarucha*, “Anomalous modulation of Josephson radiation in nanowire-based Josephson junctions”, Phys. Rev. B Rapid Communication 98. 041302 (2018) Editors' Suggestion
Shoji Baba, Christian Junger*, Sadashige Matsuo*, Andreas Baumgartner, Yosuke Sato, Hiroshi Kamata, Kan Li, Soren Jeppesen, Lars Samuelson, Hongqi Xu, Christian Schonenberger*, Seigo Tarucha*, “Cooper–pair splitting in two parallel InAs nanowires”, New Journal of Physics, 20 063021 (2018)
Sadashige Matsuo*, Kento Ueda, Shoji Baba, Hiroshi Kamata, Mizuki Tateno, Javad Shabani, Christopher Palmstrom, Seigo Tarucha*, “Equal-Spin Andreev Reflection in Junctions between Spin-resolved Quantum Hall Bulk State and Superconductor”, Scientific Reports 8, 3454 (2018)
Sadashige Matsuo*, Hiroshi Kamata, Shoji Baba, Russell Deacon, Javad Shabani, Christopher Palmstrom, Seigo Tarucha*, “Magnetic Field Inducing Zeeman Splitting and Anomalous Conductance Reduction of Half-integer Quantized Plateaus in InAs Quantum Wires”, Phys. Rev. B Rapid Communication 96, 201404 (2017)
Kazuyuki Kuroyama*, Marcus Larsson, Sadashige Matsuo, Takafumi Fujita, Sascha R. Valentin, Arne Ludwig, Andreas D. Wieck, Akira Oiwa, Seigo Tarucha*, “A single eletron-photon pair generation from a single polarization-entangled photon pair”, Scientific Reports 7, 16968 (2017), プレスリリース
Shoji Baba*, Sadashige Matsuo, Hiroshi Kamata, Russell S. Deacon, Akira Oiwa Kan Li, S. Jeppesen, L. Samuelson, Hongqi Xu, Seigo Tarucha*, “Gate tunable parallel double quantum dot in InAs double-nanowire junctions”, Applied Physics Letters 111, 233513 (2017)
Tokuro Hata*, Tomonori Arakawa, Kensaku Chida, Sadashige Matsuo, Kensuke Kobayashi, “Giant Fano factor and bistability in a Corbino disk in the quantum Hall effect breakdown regime”, Journal of Physics: Condensed Matter 28, 055801 (2016)
Shunpei Takeshita*, Sadashige Matsuo, Takahiro Tanaka, Shu Nakaharai, Kazuhito Tsukagoshi, Takahiro Moriyama, Teruo Ono, Tomonori Arakawa and Kensuke Kobayashi, “Anomalous behavior of 1/f noise in graphene near the charge neutrality point”, Applied Physics Letters 108, 103106 (2016)
Sadashige Matsuo*, Shu Nakaharai, Katsuyoshi Komatsu, Kazuhito Tsukagoshi, Takahiro Moriyama, Teruo Ono, Kensuke Kobayashi, “Parity effect of bipolar quantum Hall edge transport around graphene antidots”, Scientific Reports 5, 11723 (2015), プレスリリース
Sadashige Matsuo*, Shunpei Takeshita, Takahiro Tanaka, Shu Nakaharai, Kazuhito Tsukagoshi, Takahiro Moriyama, Teruo Ono, Kensuke Kobayashi*, “Edge mixing dynamics in graphene p–n junctions in the quantum Hall regime”, Nature Communications 6:8066 (2015), プレスリリース
Kensaku Chida*, Tokuro Hata, Tomonori Arakawa, Sadashige Matsuo, Yoshitaka Nishihara, Takahiro Tanaka, Teruo Ono, and Kensuke Kobayashi*, “Avalanche electron bunching in a Corbino disk in the quantum Hall effect breakdown regime”, Phys. Rev. B 89, 235318 (2014)
Sadashige Matsuo*, Kensaku Chida, Daichi Chiba, Teruo Ono, Keith Slevin, Kensuke Kobayashi, Tomi Ohtsuki, Cui-Zu Chang, Ke He, Xu-Cun Ma, and Qi-Kun Xue, “Experimental proof of universal conductance fluctuation in quasi-one-dimensional epitaxial Bi2Se3 wires”, Phys. Rev. B 88, 155438 (2013)
Kensaku Chida*, Tomonori Arakawa, Sadashige Matsuo, Yoshitaka Nishihara, Takahiro Tanaka, Daichi Chiba, Teruo Ono, Tokuro Hata, Kensuke Kobayashi, and Tomoki Machida, “Observation of finite excess noise in the voltage-biased quantum Hall regime as a precursor for breakdown”, Phys. Rev. B 87, 155313 (2013)
Sadashige Matsuo, Tomohiro Koyama, Kazutoshi Shimamura, Tomonori Arakawa, Yoshitaka Nishihara, Daichi Chiba, Kensuke Kobayashi, Teruo Ono, Cui-Zu Chang, Ke He, Xu-Cun Ma and Qi-Kun Xue, “Conductance Fluctuation and Weak Antilocalization in Epitaxial Bi2Se3”, AIP Conf. Proc. 1566, 193 (2013)
Sadashige Matsuo, Tomohiro Koyama, Kazutoshi Shimamura, Tomonori Arakawa, Yoshitaka Nishihara, Daichi Chiba, Kensuke Kobayashi*, Teruo Ono, Cui-Zu Chang, Ke He, Xu-Cun Ma, and Qi-Kun Xue, "Weak Antilocalization and Conductance Fluctuation in a Sub-micrometer-sized Wire of Epitaxial Bi2Se3", Phys. Rev. B 85, 075440 (2012)
Tomonori Arakawa, Takahiro Tanaka, Kensaku Chida, Sadashige Matsuo, Yoshitaka Nishihara, Daichi Chiba, Kensuke Kobayashi*, Teruo Ono, Akio Fukushima, and Shinji Yuasa, "Low-frequency and shot noises in CoFeB/MgO/CoFeB magnetic tunneling junctions", Phys. Rev. B 86, 224423 (2012)