Journal
PHYSICAL REVIEW B
Volume 79, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.012408
Keywords
antiferromagnetism; Heisenberg model; renormalisation
Funding
- INFN-CICYT Italian-Spanish [INFN08-29]
- Italian MIUR [2007JHL-PEZ]
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We analyze the antiferromagnetic SU(3) Heisenberg chain by means of the density-matrix renormalization group. The results confirm that the model is critical and the computation of its central charge and the scaling dimensions of the first-excited states show that the underlying low-energy conformal field theory is the SU(3)(1) Wess-Zumino-Novikov-Witten model.
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