Kenji Ohta

Best Publications

• The high conductivity of iron and thermal evolution of the Earth’s core

  Hitoshi Gomi;Kenji Ohta;Kei Hirose;Kei Hirose;Stéphane Labrosse;Stéphane Labrosse

  327
  Citations

• Experimental determination of the electrical resistivity of iron at Earth’s core conditions

  Kenji Ohta;Yasuhiro Kuwayama;Kei Hirose;Katsuya Shimizu

  287
  Citations

• Monitoring of ULF (Ultra-Low-Frequency) Geomagnetic Variations Associated with Earthquakes

  Masashi Hayakawa;Katsumi Hattori;Kenji Ohta

  245
  Citations

• Experimental and theoretical evidence for pressure-induced metallization in FeO with rocksalt-type structure.

  Kenji Ohta;R. E. Cohen;Kei Hirose;Kei Hirose;Kristjan Haule

  150
  Citations

• The electrical conductivity of post-perovskite in Earth's D'' layer.

  Kenji Ohta;Suzue Onoda;Kei Hirose;Kei Hirose;Ryosuke Sinmyo

  149
  Citations

• Lattice thermal conductivity of MgSiO3 perovskite and post-perovskite at the core–mantle boundary

  Kenji Ohta;Takashi Yagi;Naoyuki Taketoshi;Kei Hirose;Kei Hirose

  141
  Citations

• Interrelation between ELF transients and ionospheric disturbances in association with sprites and elves

  Yasuhide Hobara;N. Iwasaki;T. Hayashida;M. Hayakawa

  132
  Citations

• Phase transitions in pyrolite and MORB at lowermost mantle conditions: Implications for a MORB-rich pile above the core–mantle boundary

  Kenji Ohta;Kei Hirose;Kei Hirose;Thorne Lay;Nagayoshi Sata

  130
  Citations

• Anomalous effect in Schumann resonance phenomena observed in Japan, possibly associated with the Chi-chi earthquake in Taiwan

  M. Hayakawa;K. Ohta;A. P. Nickolaenko;A. P. Nickolaenko;Y. Ando

  130
  Citations

• Wave characteristics of tweek atmospherics deduced from the direction-finding measurement and theoretical interpretation

  M. Hayakawa;K. Ohta;K. Baba

  90
  Citations

• Phase boundary of hot dense fluid hydrogen

  Unknown

  85
  Citations

• ULF/ELF emissions observed in Japan, possibly associated with the Chi-Chi earthquake in Taiwan

  K. Ohta;K. Umeda;N. Watanabe;M. Hayakawa

  81
  Citations

• Electromagnetic precursors to the 2004 Mid Niigata Prefecture earthquake

  M. Hayakawa;K. Ohta;S. Maekawa;T. Yamauchi

  80
  Citations

• Experimental evidence of superionic conduction in H2O ice

  Emiko Sugimura;Tetsuya Komabayashi;Kenji Ohta;Kei Hirose

  78
  Citations

• Thermal conductivity of ferropericlase in the Earth's lower mantle

  Kenji Ohta;Takashi Yagi;Kei Hirose;Yasuo Ohishi

  74
  Citations

• Electrical conductivities of pyrolitic mantle and MORB materials up to the lowermost mantle conditions

  Kenji Ohta;Kei Hirose;Kei Hirose;Masahiro Ichiki;Katsuya Shimizu

  67
  Citations

• Survey of anomalous Schumann resonance phenomena observed in Japan, in possible association with earthquakes in Taiwan

  Kenji Ohta;Nobuo Watanabe;Masashi Hayakawa

  63
  Citations

• Pressure-induced reentrant metallic phase in lithium

  Unknown

  59
  Citations

• Spaced direction finding of nighttime whistlers at low and equatorial latitudes and their propagation mechanism

  M. Hayakawa;K. Ohta;S. Shimakura

  58
  Citations

• The ULF/ELF electromagnetic radiation before the 11 March 2011 Japanese earthquake

  K. Ohta;J. Izutsu;A. Schekotov;M. Hayakawa

  56
  Citations