[Pw_forum] inqure about the theory of infrared spectrum calculation

[xu yuehua]

thank Paolo Giannozzi as well as L.F.Huang .

2009/12/21 Paolo Giannozzi <giannozz at democritos.it>

> xu yuehua wrote:
>
> > and is that theory used in PWSCF code?
>
> http://www.springer.com/physics/book/978-1-4020-3287-5
> go to 'Sample pages', download the file. It contains a brief
> introduction to density-fgunctional perturbation theory,
> including some essential info on how to calculate IR cross
> sections
>
> P.
> --
> Paolo Giannozzi, Democritos and University of Udine, Italy
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-- 
Yuehua Xu
Group of Computational Condensed Matter Physics,
National Laboratory of Solid State Microstructures and Department of
Physics,
Nanjing University,
Nanjing 210093,
P. R. China
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