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T. D. Phan, H. Hasegawa, M. Fujimoto, M. Oieroset, T. Mukai, R. P. Lin, W. Paterson, Simultaneous Geotail and wind observations of reconnection at the subsolar and tail flank magnetopause, Geophysical Research Letters, Vol.33,L09104,, 2006
T. K. M. Nakamura, M. Fujimoto, A. Otto, Magnetic reconnection induced by weak Kelvin-Helmholtz instability and the formation of the low-latitude boundary layer, Geophysical Research Letters, Vol.33,L14106,, 2006
T. Hori, A. T. Y. Lui, S. Ohtani, P. C. Brandt, B. H. Mauk, R. W. McEntire, K. Maezawa, T. Mukai, Y. Kasaba, H. Hayakawa, Convection electric field in the near-Earth tail during the super magnetic storm of November 20-21,2003, Geophysical Research Letters, Vol.33,L21107,, 2006
T. K. M. Nakamura, M. Fujimoto, A. Otto, Magnetic reconnection induced by weak Kelvin-Helmholtz instability and the formation of the low-latitude boundary layer, Geophysical Research Letters, Vol.33,L14106,, 2006
T. Hori, A. T. Y. Lui, S. Ohtani, P. C. Brandt, B. H. Mauk, R. W. McEntire, K. Maezawa, T. Mukai, Y. Kasaba, H. Hayakawa, Convection electric field in the near-Earth tail during the super magnetic storm of November 20-21,2003, Geophysical Research Letters, Vol.33,L21107,, 2006
Y. Miyashita, Y. Kamide, Y. Miyoshi, S. Machida, K. Liou, T. Mukai, Y. Saito, C. I. Meng, G. K. Parks, Magnetotail variations associated with substorm expansion onsets for storm time and nonstorm time, Geophysical Research Letters, Vol.33,L24101,, 2006
M. Oka, T. Terasawa, Y. Seki, M. Fujimoto, Y. Kasaba, H. Kojima, I. Shinohara, H. Matsui, H. Matsumoto, Y. Saito, T. Mukai, Whistler critical Mach number and electron acceleration at the bow shock: Geotail observation, Geophysical Research Letters, Vol.33,L24104,, 2006
Y. Nishimura, A. Shinbori1, T. Ono, M. Iizima, A. Kumamoto, Storm-time electric field distribution in the inner magnetosphere, Geophysical Research Letters, Vol.33, L22102, 2006
H. Jin, K. Maezawa, T. Mukai, Effects of charge exchange and electron impact ionization on the formation of the magnetic pileup boundary at Mars, Journal of Geophysical Research, Vol.111, A05306, 2006
N. Shirataka, M. Fujimoto, H. Hasegawa, R. TanDokoro, Reproducing the bipolar magnetic signature at the jet leading edge by three- dimensional reconnection with nonzero guide field, Journal of Geophysical Research, Vol.111, A07201, 2006
K. Takagi, C. Hashimoto, H. Hasegawa, M. Fujimoto, R. TanDokoro, Kelvin-Helmholtz instability in a magnetotail flank-like geometry: Three-dimensional MHD simulations, Journal of Geophysical Research, Vol.111, A08202, 2006
H. Hasegawa, M. Fujimoto, K. Takagi, Y. Saito, T. Mukai, H. Reme, Single-spacecraft detection of rolled-up Kelvin-Helmholtz vortices at the flank magnetopause, Journal of Geophysical Research, Vol.111, A09203, 2006
Omura, Y., D. Summers, Dynamics of high-energy electrons interacting with whistler mode chorus emissions in the magnetosphere, Journal of Geophysical Research, Vol. 111, A09222, 2006
T. Umeda, Y. Omura, T. Miyake, H. Matsumoto, M. Ashour-Abdalla1, Nonlinear evolution of the electron two-stream instability: Two-dimensional particle simulations, Journal of Geophysical Research, Vol. 111, A10206 , 2006
K. G. Tanaka, I. Shinohara, M. Fujimoto, Parameter dependence of quick magnetic reconnection triggering: A survey study using two- dimensional simulations, Journal of Geophysical Research, Vol.111, A11S18, 2006
R. Nakamura, W. Baumjohann, Y. Asano, A. Runov, A. Balogh, C. J. Owen, A. N. Fazakerley, M. Fujimoto, B. Klecker, H. Reme, Dynamics of thin current sheets associated with magnetotail reconnection, Journal of Geophysical Research, Vol.111, A11206, 2006
Y. Katoh, Y. Omura, A study of generation mechanism of VLF triggered emission by self-consistent particle code, Journal of Geophysical Research, Vol. 111, A12207, 2006
T. Kobayashi, T. Ono, Estimation of surface roughness using radio sounder A-scope data, Journal of Geophysical Research, E06S10, doi:10.1029/2005JE002575, 2006
T. Kobayashi, T. Ono, SAR/InSAR observation by an HF sounder, Journal of Geophysical Research, in press, 2006
J. Uemoto, T. Ono, T. Maruyama, S. Saito, M. Iizima, A. Kumamoto, Magnetic conjugate observation of the F3 layer using the SEALION ionosonde network, J. Geophys. Lett., Doi:101029/2006GRL028783, 2006
J. Uemoto, T. Ono, A. Kumamoto, M. Iizima, Statistical analysis of the ionization ledge in the equatorial ionosphere observed from topside sounder satellites, Journal of Atmospheric and Solar-Terrestrial Physics, Vol.68, P.1340-1351, 2006
Y. Katoh, Y. Omura, Parametric study of resonant scattering process by narrow band whistler mode waves driven by temperature anisotropy, Journal of Plasma Physics, Vol. 72, P.935-939, 2006
K. Ogasawara, K. Asamura, T. Takashima, Y. Saito, T. Mukai, Rocket observation of energetic electrons in the low-altitude auroral ionosphere during the DELTA campaign, Earth, Planets and Space, Vol.58, No.9, P1155-1163, 2006
Y. Katoh, Y. Omura, Simulatin study on nonlinear frequency shift of narrow band whistler mode waves in a homogeneous magnetic field, Earth, Earth, Planets and Space, Vol. 58, 1219-1225, 2006
M. Wakabayashi, T. Ono, Electron density measurement under the influence of auroral precipitation and electron beam injection during the DELTA campaign, Earth, Planets and Space, Vol.58, 1147-1154, 2006
A. Keiling, M. Fujimoto, H. Hasegawa, F. Honary, V. Sergeev, V. S. Semenov, H. U. Frey, O. Amm, H. Reme, I. Dandouras, E. Lucek, Association of Pi2 pulsations and pulsed reconnection: ground and Cluster observations in the tail lobe at 16RE, Annales Geophysicae, Vo;.24, No.12, P.3433-3449, 2006
B. Lavraud, M. F. Thomsen, S. Wing, M. Fujimoto, M. H. Denton, J. E. Borovsky, A. Aasnes, K. Seki, J. M. Weygand, Observation of two distinct cold, dense ion populations at geosynchronous orbit: local time asymmetry solar wind dependence and origin, Annales Geophysicae, Vol.24, No12, P.3451-3465, 2006
M. N. Nishino, M. Fujimoto, T. Terasawa, G. Ueno, K. Maezawa, T. Mukai, Y. Saito, Geotail Observations of temperature anisotropy of the two-component protons in the dusk plasma sheet, Annales Geophysicae, Vol.25, P. 769-777, 2006
J. Nishimura, T. Kashiwagi, T. Takashima, S. Okuno, K. Yoshida, K. Mori, M. Itoh, K. Saeki, K. Furuichi, Radon alpha-ray detector on-board lunar mission SELENE, Advances in Space Research, Vol.37, No.1, P.34-37, 2006
Y. Kazama, S. Barabash, A. Bhardwaj, K. Asamura, Y. Futaana, M. Holmstrom, R. Lundin, R. Sridharan, P. Wurz, Energetic neutral atom imaging mass spectroscopy of the Moon and Mercury environments, Advances in Space Research, Vol.37, No1, P.38-44, 2006
T. K. M. Nakamura, M. Fujimoto, Magnetic reconnection within MHD-scale Kelvin-Helmholtz vortices triggered by electron inertial effects, Advances in Space Research, Vol.37, No.3, P.522-526, 2006
C. Hashimoto, M. Fujimoto, Kelvin-Helmholtz instability in an unstable layer of finite-thickness, Advances in Space Research, Vol.37, No3, P. 527-531, 2006
T. Terasawa, M. Oka, K. Nakata, K. Keika, M. Nose, R. W. McEntire, Y. Saito, T. Mukai, eCosmic-ray-mediatedfinterplanetary shocks in 1994 and 2003, Advances in Space Research, Vol.37, No.8, P.1408-1412, 2006
L. G. Blomberg, J.A. Cumnock, Y. Kasaba, H. Matsumoto, H. Kojima, Y. Omura, M. Moncuque, J.-E. Wahlund, Electric fields in the Hermean environment, Advances in Space Research, Vol. 38, P.627?631, 2006
L. G. Blomberg, H. Matsumoto, J.-L. Bougeret, H. Kojima, S. Yagitani, J.A. Cumnock, A.I. Eriksson, G.T. Marklund, J.-E. Wahlund, L. Bylander, L. A ? hleLn, J.A. Holtet, K. Ishisaka, E. Kallio, Y. Kasaba, A. Matsuoka, M. Moncuquet, K. Mursula, Y. Omura, J.G. Trotignon, MEFISTO ? An electric field instrument for BepiColombo/MMO, Advances in Space Research, Vol. 38, P.672?679, 2006
A. Shinbori, T. Ono, M. Iizima, A. Kumamoto, Enhancements of magnetospheric convection electric field associated with sudden commencements in the inner magnetosphere and plasmasphere regions, Advances in Space Research, Vol. 38, P.1595?1607, 2006
K. Shiokawa, K. Seki, Y. Miyoshi, A. Ieda, T. Ono, M. Iizima, T. Nagatsuma, T. Obara, T. Takashima, K. Asamura, Y. Kasaba, A. Matsuoka, Y. Saito, H. Saito, M. Hirahara, Y. Tonegawa, F. Toyama, M. Tanaka, M. Nose, Y. Kasahara, K. Yumoto, H. Kawano, A. Yoshikawa, Y. Ebihara, A. Yukimatsu, N. sato, S. Watanabe, The Inner magnetosphere subgroup in the society of geomagnetism and Earth, Planetary and space sciences, ERG-A small-satellite mission to investigate the dynamics of the inner magnetosphere, Advances in Space Research, Vol.38. No.8, P.1861-1869, 2006
Y. Hiyama, T. Ono, M. Iizima, H. Misawa, F. Tsuchiya, A. Morioka, N. Sato, Initial results of Husafell solar radio spectrograph, Adv. Polar Upper Atmos. Res., Vol.20, P.76-85, 2006
A. Kumamoto, T. Ono, H. Iizima, Solar zenith angle and solar activity dependences of vertical profile of electron density in the nightside auroral region, Adv. Polar Upper Atmos. Res., Vol.20, P.27-37, 2006
V. L.. Krasovsky, H. Matsumoto, Y. Omura, Condition for charged particle trapping in a three-dimensional electrostatic potential well in the presence of a magnetic field, Physica Scripta, Vol. 74, P.227?231, 2006
H. Usui, Y. Miyake, M. Okada, Y. Omura, T. Sugiyama, K. T. Murata, D. Matsuoka, H. O. Ueda, Development and Application of Geospace Environment Simulator for the Analysis of Spacecraft?Plasma Interactions, IEEE Transactions on Plasma Science, Vol. 34, No. 5, 0093-3813, 2094-2102, 2006
H. Ikeda, T. Hiruta, K. Tamura, K. Nakazawa, T. Takashima, T. Takahashi, T. Kiyuna, M. Yamamoto, R. Ohno, Initial performance of the two-dimensional 4096-channel amplifier array , IEEE Nuclear Science Symposium Conference Record, Vol.1, P.376-381, 2006
M. Fujimoto, T. K. M. Nakamura, H. Hasegawa, Cross-scale coupling within rolled-up MHD-scale vortices and its effect on large scale plasma mixing across the magnetospheric boundary , Space Science Reviews, Vol.122, 3, 2006
K. Ogasawara, T. Takashima, K. Asamura, Y. Saito, T. Mukai, The effect of depletion layer thickness in avalanche photodiodes for measurement of low-energy electrons, Nuclear Instrument and Methods in physics Researcn, Section A, Vol.566,No.2, P.575-583, 2006
T. Itoh, M. Kokubun, T. Takashima, T. Honda, K. Makishima, T. Tanaka, T. Yanagida, S. Hirakuri, R. Miyawaki, H. Takahashi, K. Nakazawa, T. Takahashi, Development of a new 1-dimensional ม-ray position sensor using scintillators coupled to a Si strip detector, IEEE Transactions on Nuclear Science, Vol.53, No.5, P. 2983-2990, 2006
S. Kasahara, K. Asamura, Y. Saito, T. Takashima, M. Hirahara, T. Mukai, Cusp type electrostatic analyzer for measurements of medium energy charged particles, Review of Scientific Instruments, Vol.77, No.12. P.123303-1-5, 2006
Y. Nishio, M. Usui, M. Tanaka, F. Tohyama, A. Matsuoka, Wide range temperature characteristics of fluxgate magnetometer sensor for BepiColombo MMO, Proceedings of the twenty-fifth international symposium on space technology and Science (selected papers), P.1053-1057, 2006
Uemoto, J., T. Ono, A. Kumamoto, and M. Iizima, Statistical analysis of the ionization ledge in the equatorial ionosphere observed from topside sounder satellites, Journal of Atmospheric and Solar-Terrestrial Physics, Vol.68, P.1340-1351, 2006