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Newest implementation of GW approximation needs analytic continuation? 
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#1
May914, 12:55 PM

P: 27

I know that at early stage (around 1999), GW implementation uses Matusbara frequency to help calculating self energy, and then apply analytic continuation to change it to real frequency for subsequent calculation. I don't know whether this scheme has been superceded by other implementations for modern GW approximation. Can anybody suggest some references on the recent development and some implementation details on GW, or, anybody who has coded on it giving comments? Thanks,



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