Institute of Space and Plasma Sciences

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3-D force-balanced magnetospheric configurations

Zaharia, S., Cheng, C. Z. & Maezawa, K., 2004 Jan 1, In : Annales Geophysicae. 22, 1, p. 251-265 15 p.

Research output: Contribution to journalArticle

Open Access
42 Citations (Scopus)

Absolute calibration of space- and time-resolving flat-field vacuum ultraviolet spectrograph for plasma diagnostics

Okamoto, Y., Yoshikawa, M., Yamaguchi, N., Watabe, C., Tamano, T., Kawamori, E., Ito, T., Watanabe, Y. & Yatsu, K., 2000 Jan 1, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 39, 6 A, p. 3609-3613 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Absolute calibration of space- and time-resolving flat-field vacuum ultraviolet spectrograph under both P and S polarized light conditions for plasma diagnostics

Okamoto, Y., Yoshikawa, M., Yamaguchi, N., Watabe, C., Tamano, T., Kawamori, E., Watanabe, Y., Furukawa, T., Kubota, Y., Sedo, K. & Yatsu, K., 2001 Dec 1, In : Review of Scientific Instruments. 72, 12, p. 4366-4371 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Absolute calibration of space-resolving soft X-ray spectrograph for plasma diagnostics

Yoshikawa, M., Okamoto, Y., Kawamori, E., Watanabe, Y., Watabe, C., Yamaguchi, N. & Tamano, T., 2001 Jan 1, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 467-468, PART II, p. 1533-1536 4 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP

Takahashi, Y., Yoshida, A., Sato, M., Adachi, T., Kondo, S., Hsu, R-R., Su, H-T., Chen, B-C., Mende, S. B., Frey, H. U. & Lee, L. C., 2010 Jan 1, In : Journal of Geophysical Research: Space Physics. 115, 9, A00E55.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Acceleration of heavy ions on auroral field lines

Ashour‐Abdalla, M., Okuda, H. & Cheng, C-Z., 1981 Jan 1, In : Geophysical Research Letters. 8, 7, p. 795-798 4 p.

Research output: Contribution to journalArticle

39 Citations (Scopus)

A comparative study on the lightning sferics associated with terrestrial gamma-ray flashes observed in Americas and Asia

Lu, G., Zhang, H., Cummer, S. A., Wang, Y., Lyu, F., Briggs, M., Xiong, S. & Chen, A., 2019 Feb, In : Journal of Atmospheric and Solar-Terrestrial Physics. 183, p. 67-75 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A critical study on the reliability of electron temperature measurements with a langmuir probe

Hirao, K. & Oyama, K., 1972 Jan 1, In : Journal of geomagnetism and geoelectricity. 24, 4, p. 415-427 13 p.

Research output: Contribution to journalArticle

Open Access
16 Citations (Scopus)

Activity overview of DYANA campaign in japan

Oyama, K. I., Yamanaka, M. D., Kanzawa, H. & Nakane, H., 1992 Jan 1, In : Journal of geomagnetism and geoelectricity. 44, 11, p. 987-993 7 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

A fast-propagating, large-scale atmospheric gravity wave observed in the WAVE2004 campaign

Kubota, M., Kawamura, S., Abo, M., Koizumi, Y., Murayama, Y., Yamamori, M., Shiokawa, K., Otsuka, Y., Uchiumi, M., Igarashi, K., Abe, T., Koichiro, O. & Iwagami, N., 2006 Nov 16, In : Journal of Geophysical Research Atmospheres. 111, 21, D21110.

Research output: Contribution to journalArticle

Open Access
8 Citations (Scopus)

A finite element mesh in a tokamak edge geometry

Nishimura, Y. & Lin, Z., 2006 Oct 10, In : Contributions to Plasma Physics. 46, 7-9, p. 551-556 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A finite element Poisson solver for gyrokinetic particle simulations in a global field aligned mesh

Nishimura, Y., Lin, Z., Lewandowski, J. L. V. & Ethier, S., 2006 May 20, In : Journal of Computational Physics. 214, 2, p. 657-671 15 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

A global statistical study on the origin of small-scale ozone vertical structures in the lower stratosphere

Noguchi, K., Imamura, T., Oyama, K. I. & Bodeker, G. E., 2006 Dec 16, In : Journal of Geophysical Research Atmospheres. 111, 23, D23105.

Research output: Contribution to journalArticle

6 Citations (Scopus)
1 Citation (Scopus)

Akebono observations of the polar wind and suprathermal auroral ions: An overview

Yau, A. W., Abe, T., Greffen, M. J., Horita, R. E., Nudsen, D. J. K., Mukai, T., Oyama, K. I., Peterson, W. K., Sagawa, E., Watanabe, S. & Whalen, B. A., 1996 Jan 1, In : Journal of geomagnetism and geoelectricity. 48, 1, p. 45-56 12 p.

Research output: Contribution to journalArticle

Open Access

Akebono observations of the polar wind and suprathermal auroral ions: An overview

Yau, A. W., Abe, T., Greffen, M. J., Horita, R. E., Knudsen, D. J., Mukai, T., Oyama, K. I., Peterson, W. K., Sagawa, E., Watanabe, S. & Whalen, B. A., 1996 Jan 1, In : Earth, Planets and Space. 48, 1, p. 45-56 12 p.

Research output: Contribution to journalArticle

A kinetic-fluid model

Cheng, C. Z. & Johnson, J. R., 1999 Jan 1, In : Journal of Geophysical Research: Space Physics. 104, A1, p. 413-427 15 p., 1998JA900065.

Research output: Contribution to journalArticle

53 Citations (Scopus)

Alfven cyclotron instability and ion cyclotron emission

Gorelenkov, N. N. & Cheng, C. Z., 1995 Dec 1, In : Nuclear Fusion. 35, 12, p. 1743-1752 10 p., I39.

Research output: Contribution to journalArticle

65 Citations (Scopus)

Alfvén eigenmode and energetic particle research in JT-60U

Kimura, H., Kusama, Y., Saigusa, M., Kramer, G. J., Tobita, K., Nemoto, M., Kondoh, T., Nishitani, T., Da Costa, O., Ozeki, T., Oikawa, T., Moriyama, S., Morioka, A., Fu, G. Y., Cheng, C. Z. & Afanas'ev, V. I., 1998 Dec 1, In : Nuclear Fusion. 38, 9, p. 1303-1314 12 p.

Research output: Contribution to journalArticle

109 Citations (Scopus)

Alfvén eigenmodes driven by Alfvénic beam ions in JT-60U

Shinohara, K., Kusama, Y., Takechi, M., Morioka, A., Ishikawa, M., Oyama, N., Tobita, K., Ozeki, T., Takeji, S., Moriyama, S., Fujita, T., Oikawa, T., Suzuki, T., Nishitani, T., Kondoh, T., Lee, S., Kuriyama, M., Kramer, G. J., Gorelenkov, N. N., Nazikian, R. & 3 others, Cheng, C. Z., Fu, G. Y. & Fukuyama, A., 2001 May 1, In : Nuclear Fusion. 41, 5, p. 603-612 10 p.

Research output: Contribution to journalArticle

77 Citations (Scopus)

Alfv́n eigenmodes in reversed shear plasmas in JT-60U negative-ion-based neutral beam injection discharges

Takechi, M., Fukuyama, A., Ishikawa, M., Cheng, C. Z., Shinohara, K., Ozeki, T., Kusama, Y., Takeji, S., Fujita, T., Oikawa, T., Suzuki, T., Oyama, N., Morioka, A., Gorelenkov, N. N., Kramer, G. J. & Nazikian, R., 2005 Aug 1, In : Physics of Plasmas. 12, 8, p. 1-7 7 p., 082509.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Alpha-driven magnetohydrodynamics (MHD) and MHD-induced alpha loss in the Tokamak Fusion Test Reactor

TFTR Group, 1997 May, In : Physics of Plasmas. 4, 5, p. 1610-1616 7 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Alpha particle destabilization of the toroidicity-induced Alfvén eigenmodes

Cheng, C-Z., 1991 Jan 1, In : Physics of Fluids B. 3, 9, p. 2463-2471 9 p.

Research output: Contribution to journalArticle

51 Citations (Scopus)

Alpha-Particle-Driven Toroidal Alfvén Eigenmodes in the Tokamak Fusion Test Reactor

Nazikian, R., Fu, G. Y., Bell, M. G., Bell, R. E., Budny, R. V., Bush, C. E., Chang, Z., Chen, Y., Cheng, C. Z., Darrow, D. S., Efthimion, P. C., Fredrickson, E. D., Leblanc, B., Majeski, R., Mazzucato, E., Medley, S. S., Park, H. K., Holthaus, M., Strachan, J. D., Synakowski, E. J. & 5 others, Taylor, G., Von Goeler, S., White, R. B., Wong, K. L. & Zweben, S. J., 1997 Apr 14, In : Physical review letters. 78, 15, p. 2976-2979 4 p.

Research output: Contribution to journalArticle

101 Citations (Scopus)

Alpha-particle effects on low-n magnetohydrodynamic modes

Cheng, C. Z., 1990 Jan 1, In : Fusion Technology. 18, 3, p. 443-454 12 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Alpha particle effects on the internal kink and fishbone modes

Wu, Y., Cheng, C-Z. & White, R. B., 1994 Jan 1, In : Physics of Plasmas. 1, 10, p. 3369-3377 9 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Alpha particle losses from Tokamak Fusion Test Reactor deuterium–tritium plasmas

Darrow, D. S., Zweben, S. J., Batha, S., Budny, R. V., Bush, C. E., Chang, Z., Cheng, C. Z., Duong, H. H., Fang, J., Fisch, N. J., Fischer, R., Fredrickson, E. D., fu, G. Y., Heeter, R. F., Heidbrink, W. W., Herrmann, H. W., Herrmann, M. C., Hill, K., Jaeger, E. F., James, R. & 14 others, Majeski, R., Medley, S. S., Murakami, M., Petrov, M., Phillips, C. K., Redi, M. H., Ruskov, E., Spong, D. A., Strait, E. J., Taylor, G., White, R. B., Wilson, J. R., Wong, K. L. & Zarnstorff, M. C., 1996 May, In : Physics of Plasmas. 3, 5, p. 1875-1880 6 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Alpha-particle losses from toroidicity-induced Alfvén eigenmodes. Part II: Monte Carlo simulations and anomalous alpha-loss processes

Sigmar, D. J., Hsu, C. T., White, R. & Cheng, C. Z., 1992 Jan 1, In : Physics of Fluids B. 4, 6, p. 1506-1516 11 p.

Research output: Contribution to journalArticle

103 Citations (Scopus)

Alpha-particle physics in the tokamak fusion test reactor DT experiment

Zweben, S. J., Arunasalam, V., Batha, S. H., Budny, R. V., Bush, C. E., Cauffman, S., Chang, C. S., Chang, Z., Cheng, C. Z., Darrow, D. S., Dendy, R. O., Duong, H. H., Fisch, N. J., Fredrickson, E. D., Fisher, R. K., Fonck, R. J., Fu, G. Y., Goloborod'ko, V., Gorelenkov, N., Hawryluk, R. J. & 26 others, Heeter, R., Heidbrink, W. W., Hermann, H. W., Hermann, M., Johnson, D. W., Machuzak, J., Majeski, R., McGuire, K. M., McKee, G., Medley, S. S., Mynick, H. E., Nazikian, R., Petrov, M. P., Redi, M. H., Reznik, S., Rogers, J., Schilling, G., Spong, D. A., Strachan, J. D., Stratton, B. C., Synakowski, E., Taylor, G., Wang, S., White, R. B., Wong, K. L. & Yavorski, V., 1997 Jan 1, In : Plasma Physics and Controlled Fusion. 39, 5A, p. A275-A283

Research output: Contribution to journalArticle

16 Citations (Scopus)

Alpha particles in fusion research

Sigmar, D. J., Cheng, C. Z., Sadler, G. J. & Zweben, S. J., 1995 Dec 1, In : Nuclear Fusion. 35, 12, p. 1421-1428 8 p., 401.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Alpha particle transport in the presence of ballooning type electrostatic driftwaves

Nishimura, Y., Huang, B. & Cheng, C. Z., 2015 Jul 1, In : Nuclear Fusion. 55, 7, 073016.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Alternate transport

Boozer, A. H., Baldwin, D. E., Horton, W. C., Dominguez, R. R., Glasser, A. H., Krommes, J. A., Neilson, G. H., Shaing, K-C., Sadowski, W. L. & Weitzner, H., 1990 Jan 1, In : Physics of Fluids B. 2, 12, p. 2870-2878 9 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Altitude profile of the polar wind velocity and its relationship to ionospheric conditions

Abe, T., Whalen, B. A., Yau, A. W., Watanabe, S., Sagawa, E. & Oyama, K. I., 1993 Jan 1, In : Geophysical Research Letters. 20, 24, p. 2825-2828 4 p.

Research output: Contribution to journalArticle

45 Citations (Scopus)

A measurement of the N2 number density and the N2 vibrational rotational temperature in the lower thermosphere - Instrumentation and preliminary results

Kawashima, T., Koichiro, O., Suzuki, K., Iwagami, N. & Teii, S., 1997 Jan 1, In : Advances in Space Research. 19, 4, p. 663-666 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

A modelling study of the longitudinal variations in the north-south asymmetries of the ionospheric equatorial anomaly

Su, Y. Z., Bailey, G. J., Oyama, K. I. & Balan, N., 1997 Jul, In : Journal of Atmospheric and Solar-Terrestrial Physics. 59, 11, p. 1299-1310 12 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

A model of solar flares and their homologous behavior

Choe, G. S. & Cheng, C-Z., 2000 Sep 20, In : Astrophysical Journal. 541, 1 PART 1, p. 449-467 19 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

A model of solar flares based on arcade field reconnection and merging of magnetic islands

Choe, G. S. & Cheng, C-Z., 2002 May 1, In : Physics of Plasmas. 9, 5, p. 2330-2336 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Analysis of alpha particle-driven toroidal Alfvén eigenmodes in Tokamak Fusion Test Reactor deuterium-tritium experiments

Fu, G. Y., Cheng, C-Z., Budny, R., Chang, Z., Darrow, D. S., Fredrickson, E., Mazzucato, E., Nazikian, R., Wong, K. L. & Zweben, S., 1996 Jan 1, In : Physics of Plasmas. 3, 11, p. 4036-4045 10 p.

Research output: Contribution to journalArticle

67 Citations (Scopus)

Analysis of ionospheric electron parameters versus geomagnetic index Dst from RO data of FORMOSAT-3/COSMIC

Wang, K. & Tam, S. W. Y., 2010 Jan, In : GPS Solutions. 14, 1, p. 99-108 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Analysis of lightning strokes associated with sprites observed by ISUAL in the vicinity of North America

Lu, G., Cummer, S. A., Chen, A. B., Lyu, F., Li, D., Liu, F., Hsu, R. R. & Su, H. T., 2017 Aug, In : Terrestrial, Atmospheric and Oceanic Sciences. 28, 4

Research output: Contribution to journalArticle

6 Citations (Scopus)

Analysis of neoclassical transport in the banana regime with the DKES code for the Large Helical Device

Ogawa, Y., Amano, T., Nakajima, N., Ohyabu, N., Yamazaki, K., Hirshman, S. P., Van Rij, W. I. & Shaing, K. C., 1992 Dec 1, In : Nuclear Fusion. 32, 1, p. 119-132 14 p., I10.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Analytical determination of power-law index for the Chapman et al. Sandpile (FSOC) analog for magnetospheric activity - a renormalization-group analysis

Tam, S. W. Y., Chang, T., Chapman, S. C. & Watkins, N. W., 2000 May 1, In : Geophysical Research Letters. 27, 9, p. 1367-1370 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Analytical representation of the plasmasphere electron temperature distribution based on Akebono data

Kutiev, I., Oyama, K. & Abe, T., 2002 Dec, In : Journal of Geophysical Research: Space Physics. 107, A12, 1459.

Research output: Contribution to journalArticle

16 Citations (Scopus)

An approximate analytic expression for neoclassical toroidal plasma viscosity in tokamaks

Shaing, K. C., Sabbagh, S. A. & Chu, M. S., 2010 Feb 15, In : Nuclear Fusion. 50, 2, 025022.

Research output: Contribution to journalArticle

86 Citations (Scopus)

An approximate analytic expression for plasma viscosity in finite aspect ratio tokamaks and its applications

Shaing, K-C., Yokoyama, M., Wakatani, M. & Hsu, C. T., 1996 Jan 1, In : Physics of Plasmas. 3, 3, p. 965-970 6 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

An empirical model of electron density in low latitude at 600 km obtained by Hinotori satellite

Kakinami, Y., Watanabe, S. & Koichiro, O., 2008 Jan 1, In : Advances in Space Research. 41, 9, p. 1495-1499 5 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

An estimate of the ion orbit loss rate in tokamaks

Shaing, K-C., 1992 Jan 1, In : Physics of Fluids B. 4, 10, p. 3310-3315 6 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

An extreme ultraviolet radiation source for the simulation of the ionosphere

Oyama, K. I., Suzuki, K., Kawashima, N., Zalpuri, K. S., Teii, S. & Nakamura, Y., 1991 Dec 1, In : Review of Scientific Instruments. 62, 7, p. 1721-1726 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

An improved type of electron temperature probe

Hirao, K. & Oyama, K. I., 1970 Jan 1, In : Journal of geomagnetism and geoelectricity. 22, 4, p. 393-402 10 p.

Research output: Contribution to journalArticle

Open Access
38 Citations (Scopus)

Anisotropic electron energy distribution in the topside ionospheric F-region

Watanabe, S., Oyama, K. I. & Abe, T., 1989 Oct, In : Planetary and Space Science. 37, 10, p. 1207-1214 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)