Nonstandard coproducts and the Izergin-Korepin open spin chain
نویسنده
چکیده
Corresponding to the Izergin-Korepin (A (2) 2 ) R matrix, there are three diagonal solutions (“K matrices”) of the boundary Yang-Baxter equation. Using these R and K matrices, one can construct transfer matrices for open integrable quantum spin chains. The transfer matrix corresponding to the identity matrix K = I is known to have Uq(o(3)) symmetry. We argue here that the transfer matrices corresponding to the other two K matrices also have Uq(o(3)) symmetry, but with a nonstandard coproduct. We briefly explore some of the consequences of this symmetry.
منابع مشابه
Link invariant of the Izergin–Korepin model
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