Publication

Self-conjugate representation SU(3) chains

Frédéric Mila, Miklos Lajko
2019
Journal Articles

Abstract

It was recently argued that SU(3) chains in the p-box symmetric irreducible representation (irrep) exhibit a "Haldane gap" when p is a multiple of 3 and are otherwise gapless [Nucl. Phys. B 924, 508 (2017)]. We extend this argument to the self-conjugate irreps of SU(3) with p columns of length 2 and p columns of length 1 in the Young tableau (p = 1 corresponding to the adjoint irrep), arguing that they are always gapped but have spontaneously broken parity symmetry for p odd but not even.

Official source

https://infoscience.epfl.ch/entities/publication/163af6c5-afd8-40f8-a8bf-4cc7ba20f98f

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Self-conjugate representation SU(3) chains

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