Re: Alternative triangular lattice gives different results

"Steven G. Johnson" <[email protected]>
Newsgroups gmane.comp.science.photonic-bands
Message-ID <[email protected]>
On Jul 15, 2009, at 7:10 AM, E. Hallynck wrote:
> So it's basically the same structure as in the tutorial, yet I get  
> different results (with a difference in frequencies up to 0.002). My  
> question of course: where does this difference come from? And if  
> both structures really should produce the same results, which one is  
> right? :-)

If the difference is that small (< 1%), then probably it is a finite- 
resolution error (in both results), and the two results will converge  
to one another as you increase the resolution.

Steven
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