Critical behavior of the SU(3) ferromagnetic Heisenberg chain

Young Ju Jee, Kong Ju Bock Lee, P. Schlottmann

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We have extracted the leading low-temperature contributions to the specific heat and the magnetic susceptibility from the thermodynamic Bethe-Ansatz equations of the SU(3) invariant ferromagnetic Heisenberg chain of spin 1. The critical exponents for the specific heat, the susceptibility, and the correlation length are =-12, =2, and =1, respectively. The susceptibility and the correlation length exhibit logarithmic corrections, which are quenched by relatively small magnetic fields. In large fields, the energy required to flip a spin gives rise to an exponential activation.

Original languageEnglish
Pages (from-to)2815-2818
Number of pages4
JournalPhysical Review B
Issue number4
StatePublished - 1989


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