• DocumentCode
    1677043
  • Title

    Theoretical investigation for coherent phonon generation studied with first-principles calculation

  • Author

    Shinohara, Yasushi ; Yabana, Kazuhiro ; Otobe, Tomohito ; Iwata, Jun-Ichi ; Bertsch, George F.

  • Author_Institution
    Graduated Sch. of Pure & Appl. Sci., Univ. of Tsukuba, Tsukuba, Japan
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We investigate mechanisms of coherent phonon generation in time-dependent density functional theory. It is shown that stimulated Raman and displacive excitation mechanisms are understood in a unified way.
  • Keywords
    ab initio calculations; antimony; density functional theory; elemental semiconductors; energy gap; excited states; high-speed optical techniques; phonons; silicon; stimulated Raman scattering; Sb; Si; band gap; coherent phonon generation; displacive excitation mechanisms; first-principles calculation; stimulated Raman scattering; time-dependent density functional theory; ultrashort laser pulses; Electric fields; Force; Laser excitation; Phonons; Photonic band gap; Silicon;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6326542
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1677043