The Density Matrix Renormalization Group for Strongly Correlated Electron Systems: A Generic Implementation

Details The Density Matrix Renormalization Group for Strongly Correlated Electron Systems: A Generic Implementation The Density Matrix Renormalization Group for Strongly Correlated Electron Systems: A Generic Implementation

2009-02-18

arxiv.org/abs/0902.3185v1

Computer Physics Communications 180 (2009) 1572-1578

Physics

Condensed Matter

Strongly Correlated Electrons

2 figures, submitted to Computer Physics Communications

Scientific paper

The purpose of this paper is (i) to present a generic and fully functional implementation of the density-matrix renormalization group (DMRG) algorithm, and (ii) to describe how to write additional strongly-correlated electron models and geometries by using templated classes. Besides considering general models and geometries, the code implements Hamiltonian symmetries in a generic way and parallelization over symmetry-related matrix blocks.

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