Research keywords (8):
Sound velocity
, Thermal conductivity
, Electrical conductivity
, High pressure and temperature experiment
, Core-Mantle Boundary
, Core
, Mantle
, Earth's Deep Interior
Research theme for competitive and other funds (12):
2023 - 2027 Verification of superionic state of the subducting oceanic plate by high-pressure experiments, theoretical calculations, and electromagnetic sounding analysis
2021 - 2026 Light elements in the Earth's core revealed by ultrahigh-pressure experiments
2019 - 2023 超高温・高圧条件における地球深部物質の体積熱容量計測技術の開発
2019 - 2023 地球外核・内核の伝導特性の実験的制約による地球熱進化の理解
2021 - 2022 高圧下の鉄合金の特性とコアの軽元素組成の制約
2017 - 2020 高温高圧実験で探る地球中心核の熱伝導率と地球熱進化
2015 - 2020 Dynamic behaviour of core and mantle materials
2015 - 2019 高圧変形実験で探る地球中心核の異方性
2014 - 2018 極限環境の熱伝導率計測技術による地球コア内部の熱移動の解明
2014 - 2017 Electrical and thermal conduction properties of Earth's core
Kenji Ohta, Sho Suehiro, Saori I. Kawaguchi, Yoshiyuki Okuda, Tatsuya Wakamatsu, Kei Hirose, Yasuo Ohishi, Manabu Kodama, Shuichiro Hirai, Shintaro Azuma. Measuring the Electrical Resistivity of Liquid Iron to 1.4 Mbar. Physical Review Letters. 2023. 130. 26. 266301
Yohan Park, Kyoko Yonemitsu, Kei Hirose, Yasuhiro Kuwayama, Shintaro Azuma, Kenji Ohta. Viscosity of Earth’s inner core constrained by Fe-Ni interdiffusion in Fe-Si alloy in an internal-resistive-heated diamond anvil cell. American Mineralogist. 2023. 108. 6. 1064-1071
Kenji Ohta. Ammonia and the ice giants. Nature Physics. 2023
Yoshihiro Nagaya, Hitoshi Gomi, Kenji Ohta, Kei Hirose. Equations of state for B2 and bcc Fe1-Si. Physics of the Earth and Planetary Interiors. 2023. 107046-107046
Akira Hasegawa, Kenji Ohta, Takashi Yagi, Kei Hirose. Thermal conductivity of platinum and periclase under extreme conditions of pressure and temperature. High Pressure Research. 2023. 43. 1. 1-13
T.Matsuoka, K.Shimizu, K.Kuno, N.Hirao, Y.Ohishi, M.Sakata, K.Ohta, Y.Nakamoto, T.Kume, S.Sasaki. H2-contaning lithium polyhydrides synthesized under high pressure and high temperature II. Meeting Abstracts of the Physical Society of Japan. 2017. 72. 1584-1584
Inversion of the temperature dependence of thermal conductivity of hcp iron under high pressure
(The Joint 28th AIRAPT and 60th EHPRG International Conference 2023 2023)
Measuring the electrical resistivity of liquid iron at the pressures of planetary cores
(Study of Earth's Deep Interior (SEDI) 2022@Zurich 2022)
Measurements of high pressure-temperature thermal conductivity of the Earth's lower mantle minerals in a laser-heated diamond anvil cell
(JpGU 2019 2019)
Experimental determination of the thermal and electrical conductivity of iron at Earth’s core conditions
(High Pressure Research at Gordon Research Conference 2018 2018)
Experimentally inferred thermal conductivity of planetary cores
(Japan Geoscience Union Meeting 2018 2018)
2006 - 2010 Tokyo Institute of Technology Graduate School of Science and Technology Department of Earth and Planetary Sciences
2002 - 2006 Tokyo Institute of Technology School of Science Department of Earth and Planetary Sciences
Professional career (1):
PhD (Tokyo Institute of Technology)
Work history (5):
2017/07 - 現在 Tokyo Insititute of Technology School of Science, Department of Earth and Planetary Sciences Associate professor
2013/11 - 2017/06 Tokyo Insititute of Technology School of Science, Department of Earth and Planetary Sciences Lecturer
2011/04 - 2013/10 Osaka University Center for Quantum Science and Technology under Extreme Conditions JSPS researcher (SPD)
2010/10 - 2011/03 Tokyo Insititute of Technology Department of Earth and Planetary Sciences, Graduate school of Science and Technology JSPS researcher (PD)
2008/04 - 2010/09 Tokyo Insititute of Technology Graduate school of Science and Technology, Department of Earth and Planetary Sciences JSPS researcher (DC1)
Committee career (5):
2020/04 - 現在 SPring-8ユーザー協同体(SPRUC)地球惑星科学会 会長
2017/11 - 現在 Frontiers in Science Review Editor of Solid Earth Geophysics
2017/04 - 2020/09 日本高圧力学会 高圧力学会誌編集委員
2017/01 - 2020/06 Nature Publishing Group Scientific Reports Editorial Board Member