Investigation for interaction of matter with extreme pulsed light based on first-principles calculations
| Project/Area Number |
15H03674
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Condensed matter physics I
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| Research Institution | University of Tsukuba |
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Principal Investigator |
Yabana Kazuhiro 筑波大学, 計算科学研究センター, 教授 (70192789)
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| Co-Investigator(Kenkyū-buntansha) |
乙部 智仁 国立研究開発法人量子科学技術研究開発機構, 関西光科学研究所 光量子科学研究部, 主幹研究員(定常) (60421442)
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| Project Period (FY) |
2015-04-01 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| Budget Amount *help |
¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
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| Keywords | レーザー科学 / 第一原理計算 / アト秒科学 / 超高速ダイナミクス / 密度汎関数理論 / 時間依存密度汎関数理論 / 超高速現象 / 光物性 / 計算物理 / 応用光学・量子光光学 / 高強度超短パルスレーザー / レーザー加工 |
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| Outline of Final Research Achievements |
Employing first-principles calculations based on time-dependent density functional theory, we have investigated various optical phenomena that take place in dielectrics and semi-conductors under an irradiation of a high-intensity ultrashort pulsed light. It has been shown that the optical properties of matters change in the time-scale less than a period of the pulsed light due to the dynamical Franz-Keldysh effect. We elucidated the phenomena under the collaboration with attosecond experimental groups. Using the method, we have also explored high harmonic generations in solids and the mechanism of energy transfer from the pulsed light to electrons in the matter. The program codes developed in these studies have been made open to the public as an open source software, SALMON, and is downloadable at the website, https://salmon-tddft.jp.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究で発展させた理論と計算法を総集したものとして、先端の光科学研究で観測される多様な現象を経験的なパラメータを用いることなく記述することができる、電磁気学と量子力学を結びつけた第一原理計算プログラムをSALMONを構築し、ウェブサイトで公開した。このソフトウェアを用いると、アト秒の時間解像度、ナノメートル以下の空間解像度で、高強度な光と物質の相互作用を調べることが可能であることから、アト秒科学や近接場光励起、プラズモニクス、非熱レーザー加工などの光科学の多様な発展に重要な役割を果たすと期待される。
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Report
(5 results)
Research Products
(80 results)
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[Journal Article] SALMON Scalable Ab-initio Light-Matter simulator for Optics and Nanoscience2018
Author(s)
M. Noda, S.A. Sato, Y. Hirokawa, M. Uemoto, T. Takeuchi, S. Yamada, A. Yamada, Y Shinohara, M. Yamaguchi, K. Iida, I. Floss, T. Otobe, Kyung-Min Lee, K. Ishimura, T. Boku, George F. Bertsch, K. Nobusada, K. Yabana
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Journal Title
Computer Physics Communications
Volume: 235
Pages: 356-365
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Attosecond nonlinear polarization and light-matter energy transfer in solids2016
Author(s)
A. Sommer, E.M. Bothschafter, S.A. Sato, C. Jakubeit, T. Latka, O. Razskazovskaya, H. Fattahi, M. Jobst, W. Schweinberger, V. Shirvanyan, V.S. Yakovlev, R. Kienberger, K. Yabana, N. Karpowicz, M. Schultze, F. Krausz
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Journal Title
Nature
Volume: 534
Issue: 7605
Pages: 86-90
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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