Posted by A beach tyke on February 17, 2014, 11:52 am
Hi,
In order to justify G = sum ( mi * bi ) being a lattice you insert G.R into exp(iR.G)=1 and claim that for this to be true mi must all be integer. However if mi = 1 / ni then this equation still holds without the mi being integers, and so G not being a lattice. I was wondering what is missing?
Thank you very much.
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