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      Width of phonon sidebands in the Brownian oscillator model

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      Author
      Ye, Jun
      Zhao, Yang
      Ng, Nathaniel
      Cao, Jianshu
      Date of Issue
      2009
      School
      School of Materials Science and Engineering
      Abstract
      The line width dependence of zero-phonon lines and phonon sidebands on temperature, bath dissipation, and electron−phonon coupling is studied for an underdamped Brownian oscillator model with an Ohmic dissipative bath. Factors determining the line widths vary from the zero-phonon lines to the phonon sidebands. The control-parameter space of line broadening has been mapped out, revealing that the line widths of the zero-phonon lines and phonon sidebands are linearly dependent on both the temperature and the Huang−Rhys factor. It is also found that the dependence of the line widths on the bath damping factor is linear for the zero-phonon lines and quadratic for the phonon sidebands.
      Subject
      DRNTU::Science::Chemistry::Physical chemistry::Solid state chemistry
      Type
      Journal Article
      Series/Journal Title
      Journal of physical chemistry B
      Rights
      © 2009 American Chemical Society
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      • MSE Journal Articles
      http://dx.doi.org/10.1021/jp809425g
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