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Journal Articles

Generation and evaluation of a 10$$^{20}$$ W/cm$$^{2}$$ intensity by focusing wavefront corrected 100 TW, 10 Hz laser pulses

Akahane, Yutaka; Ma, J.; Fukuda, Yuji; Aoyama, Makoto; Kiriyama, Hiromitsu; Inoue, Norihiro*; Tsuji, Koichi*; Nakai, Yoshiki*; Yamamoto, Yoichi*; Sheldakova, J. V.*; et al.

Japanese Journal of Applied Physics, Part 1, 44(8), p.6087 - 6089, 2005/08

 Times Cited Count:1 Percentile:4.7(Physics, Applied)

An improvement of laser-focused peak intensity has been achieved in a JAERI 100 TW Ti:sapphire chirped-pulse amplifier chain with a feedback-controlled adaptive optics system. Measurements of optical parameters of the laser pulse and an experimental tunneling ionization ratio of a rare gas atom with laser energy scaling have practically confirmed an ultrarelativistic intensity of over 10$$^{20}$$ W/cm$$^{2}$$ operating at a 10 Hz repetition rate.

Journal Articles

Electron acceleration by a nonlinear wakefield generated by ultrashort (23-fs) high-peak-power laser pulses in plasma

Kando, Masaki; Masuda, Shinichi; Zhidkov, A.*; Yamazaki, Atsushi; Kotaki, Hideyuki; Kondo, Shuji; Homma, Takayuki*; Kanazawa, Shuhei; Nakajima, Kazuhisa; Hayashi, Yukio; et al.

Physical Review E, 71(1), p.015403_1 - 015403_4, 2005/01

 Times Cited Count:33 Percentile:77.37(Physics, Fluids & Plasmas)

no abstracts in English

Oral presentation

Theoretical study of resonant inelastic X-ray scattering in iron pnictides

Nomura, Takuji; Yamakawa, Yoichi*; Yanagi, Yuki*; Ono, Yoshiaki*

no journal, , 

Resonant inelastic X-ray scattering (RIXS) measurements at the Fe $$K$$ edge have been performed for recently discovered iron-pnictide superconductors. The aim of the present study is to analyze theoretically the results of the experiments. Specifically, we use a 16-band d-p model, where the Fe3d and As4p orbitals are taken into account, and the electron correlation effects are taken into account within the random-phase approximation (RPA).

Oral presentation

Electron correlations and orbital excitations in resonant inelastic X-Ray scattering from iron-arsenide superconductor

Nomura, Takuji; Yamakawa, Yoichi*; Yanagi, Yuki*; Ono, Yoshiaki*

no journal, , 

no abstracts in English

Oral presentation

Spin nematic susceptibility studied by inelastic neutron scattering in FeSe

Shamoto, Shinichi; Kajimoto, Ryoichi; Ishikado, Motoyuki*; Yamakawa, Yoichi*; Watashige, Tatsuya*; Kasahara, Shigeru*; Nakamura, Mitsutaka; Kontani, Hiroshi*; Shibauchi, Takasada*; Matsuda, Yuji*

no journal, , 

no abstracts in English

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