Emergent SO(5) Symmetry at the Néel to Valence-Bond-Solid Transition

Emergent SO(5) Symmetry at the Néel to Valence-Bond-Solid Transition

We show numerically that the "deconfined" quantum critical point between the Néel antiferromagnet and the columnar valence-bond solid, for a square lattice of spin 1/2, has an emergent SO(5) symmetry. This symmetry allows the Néel vector and the valence-bond solid order parameter to be r...

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Bibliographic Details
Main Authors: Nahum, Adam (Contributor), Serna, P. (Author), Chalker, J. T (Author), Somoza, A. M (Author), Ortuno, M. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2015-12-30T02:09:56Z.
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