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SIMPLE DMRG

The goal of this tutorial (given at the 2013 summer school on quantum spin liquids, in Trieste, Italy) is to present the density-matrix renormalization group (DMRG) in its traditional formulation (i.e. without using matrix product states). DMRG is a numerical method that allows for the efficient simulation of quantum model Hamiltonians. Since it is a low-entanglement approximation, it often works quite well for one-dimensional systems, giving results that are nearly exact.

Source code: https://github.com/simple-dmrg/simple-dmrg/

Documentation: http://simple-dmrg.readthedocs.org/

See also: sophisticated-dmrg, a more "sophisticated" code based on this tutorial.

Authors

  • James R. Garrison (UCSB)
  • Ryan V. Mishmash (UCSB)

Licensed under the MIT license. If you publish work or results based on this code, please cite us.

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SIMPLE DMRG tutorial, created for the Trieste summer school on quantum spin liquids.

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