No. Not pw.x ph.x can. Like in any other system. Follow the following steps: 1)
read the users' manual; 2) as indicated in (1) perform a scf calculation; 3)
calculate the phonons. Enjoy. SB
On Jun 29, 2011, at 9:54 PM, Sanjeev Gupta wrote:
> Dear PWSCF user,
> Greeting
>
> I would like to know weather PWSCF can calculate low energy phonon modes
> (call it acoustic phonons) for semiconductor nanostructure system like
> Silicon (size nearly 5 nm). If we see Raman spectra then some of low
> frequency mode in the range of 5- 50 cm-1. These modes are important in
> application.
>
> How one can proceed to calculate?
>
> Thanks in advance.
>
> Best Regards
>
>
> Dr. Sanjeev K Gupta
> Researcher
> Dept. of Physics,
> Bhavnagar University
> Bhavnagar-364022
> Gujarat
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---
Stefano Baroni - SISSA & DEMOCRITOS National Simulation Center - Trieste
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