Autor(es): Xavier,J. C.
Data: 2009
Origem: Oasisbr
Assunto(s): spin model; DMRG; spin-1; spin model; spin model; DMRG; DMRG; spin-1; spin-1
Detalhes do Documento
A simple way to avoid metastable configurations in the density-matrix renormalization-group algorithms
Descrição
We use the spin-1 Heisenberg chain with periodic boundary conditions to ilustrate that the systems get stuck in metastable configurations only when the density-matrix renormalization-group algorithm start with small number of states m. We also show that the convergence of the energies have a huge improvement if we start the algorithm with a large number of states m.
Tipo de Documento
Artigo científico
Idioma Inglês
Idioma Inglês
