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Sherrill, M. E.*; Abdallah, J. Jr.*; Csanak, G.*; Dodd, E. S.*; Fukuda, Yuji; Akahane, Yutaka; Aoyama, Makoto; Inoue, Norihiro*; Ueda, Hideki*; Yamakawa, Koichi; et al.
Physical Review E, 73(6), p.066404_1 - 066404_6, 2006/06
Times Cited Count：29 Percentile：75.57(Physics, Fluids & Plasmas)A model that solves simultaneously both the electron and atomic kinetics was used to generate synthetic He
X-ray spectra to characterize a high intensity ultrashort laser driven Ar cluster target experiment. In particular, level populations were obtained from a detailed collisional-radiative model where collisional rates were computed from a time varying electron distribution function obtained from the solution of the zero dimensional Boltzmann equation. In addition, aparticle-in-cell simulation was used to model the laser interaction with the cluster target and provided the initial electron energy distribution function (EEDF) for the Boltzmann solver. This study suggests that the high density plasma contribution to the time-integrated He spectrum was in a highly non-equilibrium state in both the EEDF and the ion level populations and provides a prediction of 5.7 ps for the average cluster integrity time for this high density state.
Sherrill, M. E.*; Abdallah, J. Jr.*; Csanak, G.*; Kilcrease, D. P.*; Dodd, E. S.*; Fukuda, Yuji; Akahane, Yutaka; Aoyama, Makoto; Inoue, Norihiro*; Ueda, Hideki; et al.
Journal of Quantitative Spectroscopy & Radiative Transfer, 99(1-3), p.584 - 594, 2006/05
Times Cited Count：3 Percentile：18.36(Optics)In this work, we present a model that solves self-consistently the electron and atomic kinetics to characterize highly non-equilibrium plasmas, in particular for those systems where both the electron distribution function is far from Maxwellian and the evolution of the ion level populations are dominated by time dependent atomic kinetics. In this model, level populations are obtained from a detailed collisional-radiative model where collision rates are computed from a time varying electron distribution function obtained from the solution of the zero-dimensional Boltzmann equation. The Boltzmann collision term includes the effects of electron-electron collisions, electron collisional ionization, excitation and de-excitation. An application for He spectra from a short pulse laser irradiated argon cluster target will be shown to illustrate the results of our model.
Yamakawa, Koichi; Aoyama, Makoto; Akahane, Yutaka; Ma, J.; Inoue, Norihiro*; Ueda, Hideki; Kiriyama, Hiromitsu
Reza Kenkyu, 30(12), p.747 - 748, 2002/12
no abstracts in English
Kishimoto, Yasuaki; Masaki, Tomohiro*; Tajima, Toshiki*
Physics of Plasmas, 9(2), p.589 - 601, 2002/02
Times Cited Count：85 Percentile：91.05(Physics, Fluids & Plasmas)no abstracts in English
Yamakawa, Koichi; Aoyama, Makoto; Matsuoka, Shinichi; Akahane, Yutaka; Kase, Teiji*; Nakano, Fumihiko*; Sagisaka, Akito
JAERI-Research 2000-051, 43 Pages, 2001/01
JAERI-Research-2000-051.pdf:3.62MB
no abstracts in English
Matsuoka, Shinichi; Yamakawa, Koichi
Journal of the Optical Society of America B, 17(4), p.663 - 667, 2000/04
Times Cited Count：27 Percentile：74.16(Optics)no abstracts in English
Kotaki, Hideyuki; Kando, Masaki; Dewa, Hidenori; Kondo, Shuji; Watanabe, Takahiro*; Ueda, Toru*; Kinoshita, Kenichi*; Yoshii, Koji*; Uesaka, Mitsuru*; Nakajima, Kazuhisa
Lasers Plasma Generation and Diagnostics (Proceedings of SPIE Vol.3935), p.149 - 155, 2000/01
no abstracts in English
Ueshima, Yutaka; Sentoku, Yasuhiko*; Kishimoto, Yasuaki
Proceedings of 4th International Conference on Supercomputing in Nuclear Applications (SNA 2000) (CD-ROM), 10 Pages, 2000/00
no abstracts in English
Yamakawa, Koichi
O plus E, 21(9), p.1137 - 1143, 1999/09
no abstracts in English
Yamakawa, Koichi
Technical Digest on CLEO/Pacific Rim '99, Vol.2, p.199 - 200, 1999/08
no abstracts in English
Kotaki, Hideyuki; Nakajima, Kazuhisa*; Kando, Masaki*; Dewa, Hidenori*; Kondo, Shuji; *; Watanabe, Takahiro*; Ueda, Toru*; Nakanishi, Hiroshi*; Yoshii, Koji*; et al.
Inst. Phys. Conf. Ser., (159), p.565 - 567, 1999/00
no abstracts in English
Nagashima, Keisuke; Kishimoto, Yasuaki; *
Physical Review E, 58(4), p.4937 - 4940, 1998/10
Times Cited Count：15 Percentile：55.78(Physics, Fluids & Plasmas)no abstracts in English
Yamakawa, Koichi; Aoyama, Makoto*; Matsuoka, Shinichi*; *; C.P.J.Barty*; D.Fittinghoff*
Optics Letters, 23(7), p.525 - 527, 1998/04
Times Cited Count：70 Percentile：92.68(Optics)no abstracts in English
Yamakawa, Koichi; Aoyama, Makoto*; Matsuoka, Shinichi*; *; C.Barty*; D.Fittinghoff*
IEEE Journal of Selected Topics in Quantum Electronics, 4(2), p.385 - 394, 1998/00
Times Cited Count：21 Percentile：74.41(Engineering, Electrical & Electronic)no abstracts in English
Yamakawa, Koichi; Aoyama, Makoto*
Oyo Butsuri, 67(9), p.1072 - 1073, 1998/00
no abstracts in English
Nagashima, Keisuke; Kishimoto, Yasuaki; *
Superstrong Fields in Plasmas, p.192 - 197, 1998/00
no abstracts in English
Matoba, Toru
Isotope News, (521), p.18 - 19, 1997/10
no abstracts in English
Yamakawa, Koichi
Reza Gakkai Kenkyukai Hokoku, p.21 - 27, 1997/05
no abstracts in English
Yamakawa, Koichi; Aoyama, Makoto*
Opt. Commun., 140(4-6), p.255 - 258, 1997/00
Times Cited Count：17 Percentile：64.6(Optics)no abstracts in English
