Yoshiharu Omura
Commendation
For outstanding contributions to space plasma physics through nonlinear wave-particle interactions and large-scale computational experiments.
A list of five major papers
- Electron beam instabilities as generation mechanism of electrostatic solitary wavesin the magnetotail, Y Omura, H Matsumoto, T Miyake, H Kojima, Journal ofGeophysical Research, 101 (A2), 2685-2697, 1996.
- Relativistic turning acceleration of resonant electrons by coherent whistler modewaves in a dipole magnetic field, Y Omura, N Furuya, D Summers, Journal ofGeophysical Research, 112 (A6), 2007.
- Theory and simulation of the generation of whistler-mode chorus, Y Omura, Y Katoh,D Summers, Journal of Geophysical Research, 113 (A4), 2008.
- Theory and observation of electromagnetic ion cyclotron triggered emissions in the magnetosphere, Y Omura, J Pickett, B Grison, O Santolik, I Dandouras, MEngebretson, P Décréau, A Masson, Journal of Geophysical Research, 115 (A7),2010.
- Formation process of relativistic electron flux through interaction with chorus emissions in the Earth’s inner magnetosphere, Y Omura, Y Miyashita, M Yoshikawa,D Summers, M Hikishima, Y Ebihara, Journal of Geophysical Research: SpacePhysics, 120 (11), 9545-9562, 2015.
Major achievements
Dr. Omura has integrated theories and large-scale computer simulations of wave–particle interactions in space plasmas to elucidate the nonlinear excitation processes of plasma waves, such as chorus waves and electromagnetic ion cyclotron (EMIC) waves, as well as the mechanisms by which these waves modulate high-energy electrons. He has also proposed innovative concepts in wave–particle interactions, including relativistic turning acceleration, thereby achieving a breakthrough in the understanding of nonlinear wave–particle interactions. Furthermore, through the systematic development of theories of electrostatic solitary waves and nonlinear wave growth, he has established the foundation of computational space plasma physics and has led research in this field. These achievements have been highly recognized internationally, as evidenced by honors such as Fellow of the American Geophysical Union and the Appleton Award of the Union Radio-Scientifique Internationale. In addition, since the founding of the Japan Geoscience Union, he has been deeply involved in its administration and has made significant contributions to its development, serving as a Section President.
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Nominator
Yusuke Ebihara
Supporters
Danny Summers, Tsugunobu Nagai, Seki Kanako