I want to study the Density matrix renormalization Group(DMRG). Can some one provide me with the souce code which is writen by C++ for study purpose only? The code is not necessiary very professional, but works.

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    $\begingroup$ There are some links here to different DMRG implementations, including C++: itp.uni-hannover.de/~jeckelm/dmrg $\endgroup$ – Brian Skjerven Dec 2 '14 at 7:49
  • $\begingroup$ Yes, thanks. I once visted the website as suggested by you. However, I prefer some algorithms which don't depend any special library. $\endgroup$ – Roger209 Dec 2 '14 at 15:10
  • $\begingroup$ The BLOCK code of Chan and coworkers is online somewhere AFAIK. $\endgroup$ – Jeff Hammond Aug 3 '15 at 3:02
  • $\begingroup$ ALPS has a C++ DMRG code for lattice models written by Feigun. $\endgroup$ – Jeff Hammond Aug 3 '15 at 3:03
  • $\begingroup$ @Roger209 Libraries are a best practice in software. You should avoid any implementation that doesn't use them. $\endgroup$ – Jeff Hammond Aug 3 '15 at 3:05

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