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Início
Agenda |
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- 18 de maio de 2016
16h30
F-210 -
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Prof. Rafael Nepomechie
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University of Miami
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Bethe
ansatz at roots of unity
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We consider a quantum spin chain (one-dimensional
array of coupled spins) that is integrable and has quantum group
symmetry Uq(sl(2)). The basic problem is to find a complete set
of eigenvalues and eigenvectors of the Hamiltonian. We first
review the case when q is generic. We then consider the case
that q is a root of unity, for which several surprising new
features appear. (Based on recent work with Azat Gainutdinov.)
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