Haldane Gap of the Three-Box Symmetric $\mathrm{SU}(3)$ Chain

Samuel Gozel, Pierre Nataf, Frédéric Mila

Motivated by the recent generalization of the Haldane conjecture to $\mathrm{SU}(3)$ chains [M. Lajkó et al., Nucl. Phys. B924, 508 (2017)] according to which a Haldane gap should…