An introduction to numerical methods in low-dimensional quantum systems

AUTOR(ES)

Malvezzi, André Luiz

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2003-03

RESUMO

This is an introductory course to the Lanczos Method and Density Matrix Renormalization Group Algorithms (DMRG), two among the leading numerical techniques applied in studies of low-dimensional quantum models. The idea of studying the models on clusters of a finite size in order to extract their physical properties is briefly discussed. The important role played by the model symmetries is also examined. Special emphasis is given to the DMRG.

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