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Computational Approach for the Ultrafast Phenomena under Intense Laser fields
https://repo.qst.go.jp/records/66949
https://repo.qst.go.jp/records/66949e840c226-a8d1-4735-aed7-d14021322847
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2018-10-19 | |||||
タイトル | ||||||
タイトル | Computational Approach for the Ultrafast Phenomena under Intense Laser fields | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
乙部, 智仁
× 乙部, 智仁× 乙部 智仁 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Density-functional calculations for the sub-cycle ultrafast dynamics in the dielectrics are presented. The calculations employing the time-dependent density functional theory (TDDFT) predicts the reversible change of the optical properties under an intense laser field, which can be attributed to the time-resolved dynamical Franz-Keldysh effect (DFKE). The time-resolved DFKE has been observed by the pump-probe experiment in attosecond timescale. An analytical formulation is also derived by parabolic two-band model. This model calculation well reproduces the computational and experimental results. From the computational and the analytical approaches, the polarization dependence of the DFKE can be also predicted. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 9th AWCXR | |||||
発表年月日 | ||||||
日付 | 2018-10-17 | |||||
日付タイプ | Issued |