Toma Kenji

トウマケンジ | Toma Kenji

Affiliation and department：
Job title： Professor
Homepage URL (2)： http://db.tohoku.ac.jp/whois/detail/24f839633c77528689e5802aab79ea3f.html , http://db.tohoku.ac.jp/whois/e_detail/24f839633c77528689e5802aab79ea3f.html

Research field (1)： Astronomy

Research keywords (3)： Gamma-Ray Bursts , Black Holes , Astrophysics

Research theme for competitive and other funds (8)：

2021 - 2026 超大規模計算と超高精度観測で解き明かすブラックホールジェットの駆動機構と多様性
2021 - 2023 Hunting Axion Dark Matter with Proto-planetary Disk Polarimetry
2018 - 2022 最新の超高解像度電波観測データを使ったブラックホールジェット駆動機構の検証
2018 - 2021 Study on structure of the Milky Way galaxy and mechanisms of cosmic transient phenomena probed by optical all-sky polarimetric survey
2015 - 2017 偏光理論と一般相対論的電磁気学を駆使したブラックホールジェット駆動機構の解明

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Papers (106)：

Kazunori Akiyama, Antxon Alberdi, Walter Alef, Juan Carlos Algaba, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach, Anne-Kathrin Baczko, David Ball, et al. The persistent shadow of the supermassive black hole of M 87. Astronomy & Astrophysics. 2024. 681. A79-A79
Makoto Arimoto, Katsuaki Asano, Koji S. Kawabata, Kenji Toma, Ramandeep Gill, Jonathan Granot, Masanori Ohno, Shuta Takahashi, Naoki Ogino, Hatsune Goto, et al. Gamma rays from a reverse shock with turbulent magnetic fields in GRB 180720B. Nature Astronomy. 2023. 8. 1. 134-144
Riki Matsui, Shigeo S. Kimura, Kenji Toma, Kohta Murase. High-energy Neutrino Emission Associated with Gravitational-wave Signals: Effects of Cocoon Photons and Constraints on Late-time Emission. The Astrophysical Journal. 2023. 950. 2. 190-190
Yasuji Sawada, Yasukazu Daigaku, Kenji Toma. Onset model of mutually catalytic self-replicative systems formed by an assembly of polynucleotides. Physical Review E. 2023. 107. 5
Asuka Kuwata, Kenji Toma, Shigeo S. S. Kimura, Sara Tomita, Jiro Shimoda. Synchrotron Polarization of Gamma-Ray Burst Afterglow Shocks with Hydrodynamic-scale Turbulent Magnetic Field. ASTROPHYSICAL JOURNAL. 2023. 943. 2

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MISC (37)：

當真賢二. ブラックホールが駆動する相対論的ジェットの物理. 日本物理学会誌. 2017. 72. 1. 19-27
當真賢二. 高エネルギー天体物理学とその広がり. 天文月報. 2014
19pSB-7 Expected performance of gamma-ray burst polarimeter to be installed on a small satellite. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 40-40
Kishikawa Tatsuya, Gunji Shuichi, Nakamori Takeshi, Katagiri Jun, Oikawa Yuma, Takakura Mika, Ueda Tatsuya, Toma Kenji, Yonetoku Daisuke, Mihara Takehiro. 19pSB-8 Design of the chassis for the gamma-ray burst polarimeter and the results of vibration test. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 40-40
Toma Kenji. 29pTT-2 Electromotive force in the Blandford-Znajek process. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 133-133

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Books (2)：

Lectures and oral presentations (77)：

恩師高原さんとjet論争
(第36回理論懇シンポジウム 2023)
ブラックホール磁気圏強電場領域の研究:降着円盤由来MeV光子の影響
(日本天文学会2023年秋季年会 2023)
ガンマ線バースト残光の流体スケール乱流磁場モデルによる偏光観測の解釈
(日本天文学会2023年秋季年会 2023)
GRB Prompt Emission Polarization
(New Evolution of Multi-Messenger Astrophysics 2023)
Magnetic reconnection in black hole magnetospheres: lepton loading into jets and superluminal radio blobs
(APRIM 2023 2023)

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Education (1)：

Professional career (1)：

Work history (6)：

2023/10 - 現在 Tohoku University Frontier Research Institute for Interdisciplinary Sciences
2018/04 - 2023/09 Tohoku University Frontier Research Institute for Interdisciplinary Sciences
2013/12 - 2018/03 Tohoku University Frontier Research Institute for Interdisciplinary Sciences
2011/04 - 2013/11 Japan Society for the Promotion of Science
2008/10 - 2011/03 Pennsylvania State University Department of Astronomy and Astrophysics Postdoctoral Fellow

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Committee career (2)：

Awards (5)：

Association Membership(s) (3)：

理論天文学宇宙物理学懇談会 , 日本物理学会 , 日本天文学会

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