Re: creatin EFS

"Steven G. Johnson" <[email protected]>
Newsgroups gmane.comp.science.photonic-bands
Message-ID <[email protected]> 
On Mon, 7 Jan 2008, andika asyuda wrote:
> I want to know if I can input a frequency value and get the 
> corresponding k-points. I want to create the EFS, and get some 
> difficulties with the usual method

Yes, see:

http://ab-initio.mit.edu/wiki/index.php/MPB_User_Reference#The_inverse_problem:_k_as_a_function_of_frequency

However, for isofrequency plots I've found it much easier for the most 
part to just evaluate at a grid of k-points, and then pass it to Matlab to 
get the contour plot.

Regards,
Steven G. Johnson
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