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Dimerization in quantum spin chains. Magical and non-magical results.
ProbabilitySpeaker: | Bruno Nachtergaele, UC Davis |
Related Webpage: | https://www.math.ucdavis.edu/~bxn/ |
Location: | 2112 MSB |
Start time: | Wed, May 17 2017, 4:10PM |
We discuss a recent result proving dimerization in a class of SU(n) invariant quantum spin chains (joint work with Daniel Ueltschi, arXiv:1701.03983). The new work fills in a gap in a string of `magical’ results on this class of models that have been known for quite some time. The new work is based on an adaptation of the Peierls argument in statistical mechanics and is rather `non-magical'.