Rchr
J-GLOBAL ID:201101090324766605
Update date: Nov. 19, 2024 Fujisawa Toshimasa
フジサワ トシマサ | Fujisawa Toshimasa
Affiliation and department: Job title:
Professor
Research field (1):
Semiconductors, optical and atomic physics
Research theme for competitive and other funds (13): - 2019 - 2024 Nonequilibrium states of low-dimensional quasiparticles in a mesoscopic quantum Hall system
- 2017 - 2023 Electron-phonon coupled systems with phononic crystal resonators
- 2020 - 2021 トポロジーが紡ぐ物質科学のフロンティア の総括
- 2015 - 2020 Construction of Topo-Q International Network
- 2015 - 2020 Transport properties of nanostructured topological materials
- 2015 - 2020 Administration of Topological Materials Science
- 2014 - 2019 Nonequilibrium charge dynamics in quantum Hall edge channels
- 2015 - 2017 Energy conversion on a quantum nano-device in a phonon resonator
- 2009 - 2014 Control, measure, and transfer the quantum information in semiconductor nanostructures
- 2009 - 2014 Dynamics of electron wavepackets in semiconductor quantum structures
- 2007 - 2009 表面弾性波による半導体量子構造の電子状態の観測と制御
- 2004 - 2007 Semiconductor Quantum Electromechanical Structures
- 1989 - 1990 高圧下での測定によるIII-V族化合物半導体中の欠陥準位に関する研究
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Papers (156): -
Chaojing Lin, Masayuki Hashisaka, Takafumi Akiho, Koji Muraki, Toshimasa Fujisawa. Quantized charge fractionalization at quantum Hall Y junctions in the disorder dominated regime. Nature Communications. 2021. 12. 1
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Toshimasa Fujisawa, Chaojing Lin. Plasmon modes of coupled quantum Hall edge channels in the presence of disorder-induced tunneling. Physical Review B. 2021
- Masayuki Hashisaka, Koji Muraki, Toshimasa Fujisawa. Two-step breakdown of a local ν=1 quantum Hall state. Physical Review B. 2020. 101. 4
- Shunya Akiyama, Taichi Hirasawa, Yuya Sato, Takafumi Akiho, Koji Muraki, Toshimasa Fujisawa. Ballistic hot-electron transport in a quantum Hall edge channel defined by a double gate. Applied Physics Letters. 2019
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Ryota Eguchi, Eiki Kamata, Chaojing Lin, Hiromitsu Aramaki, Toshimasa Fujisawa. Quantum anti-dot formed with an airbridge gate in the quantum Hall regime. Applied Physics Express. 2019. 12. 6
more... MISC (92): -
LIN Chaojing, LIN Chaojing, 二俣晃, 橋坂昌幸, 秋保貴史, 村木康二, 藤澤利正. Plasmon assisted tunneling in a double quantum dot coupled to a quantum-Hall plasmon resonator. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
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Chaojing Lin, Masayuki Hashisaka, Takafumi Akiho, Koji Muraki, Toshimasa Fujisawa. Time-resolved investigation of plasmon mode along interface channels in integer and fractional quantum Hall regimes. PHYSICAL REVIEW B. 2021. 104. 12
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LIN Chaojing, 橋坂昌幸, 秋保貴史, 村木康二, 藤澤利正. Fractionalization of charge wave packets at integer/fractional quantum Hall Y junctions. 日本物理学会講演概要集(CD-ROM). 2020. 75. 2
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Masayuki Hashisaka, Toshimasa Fujisawa. Tomonaga-Luttinger-liquid nature of edge excitations in integer quantum Hall edge channels. Reviews in Physics. 2018. 3. 32-43
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Nakazawa R., Washio K., Hashisaka M., Muraki K., Fujisawa T. 7pAV-8 Energy transport between counter-propagating quantum Hall edge channels. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 472-472
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