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cond-mat.str-el2008★ 17 cited
DMRG Simulation of the SU(3) AFM Heisenberg Model
M. Aguado, M. Asorey, E. Ercolessi +2
We analyze the antiferromagnetic Heisenberg chain by means of the Density Matrix Renormalization Group (DMRG). The results confirm that the model is critical and the…
cond-mat.str-el2003★ 61 cited
On critical phases in anisotropic spin-1 chains
C. Degli Esposti Boschi, E. Ercolessi, F. Ortolani +1
Quantum spin-1 chains may develop massless phases in presence of Ising-like and single-ion anisotropies. We have studied c=1 critical phases by means of both analytical techniques,…