Comment #2 on issue 2881 by [email protected]: Refactory secondquant to
use new quantum modules
http://code.google.com/p/sympy/issues/detail?id=2881
I pulled the book referenced in secondquant from my library and I started
playing with this a little. I was at least able to get bosons working,
which wasn't too hard, and some of the basic things for fermions working,
but there is still a ways to go on that front. What I have now is up on a
branch here:
https://github.com/flacjacket/sympy/tree/secondquant_quantum
Brian, you mentioned there are some classes dealing too much with fermi
level issues, and I think some of the tensor classes implemented in
secondquant does this, but it seemed to me most of the fermi level stuff is
handled by functions that deal specifically with fermions (Wicks theorem,
contractions, ordering, etc). Are there any other glaring cases where the
fermion case needs to be pulled out to a separate function?
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