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Real Space Renormalization Group Methods and Quantum Groups | | Miguel A. Martin-Delgado
; German Sierra
; | | Date: |
26 Jul 1995 | | Subject: | Condensed Matter; Quantum Algebra | cond-mat hep-th math.QA q-alg | | Abstract: | We apply real-space RG methods to study two quantum group invariant Hamiltonians, that of the XXZ model and the Ising model in a transverse field defined in an open chain with appropiate boundary terms. The quantum group symmetry is preserved under the RG transformation except for the appearence of a quantum group anomalous term which vanishes in the classical case. We obtain correctly the line of critical XXZ models. In the ITF model the RG-flow coincides with the tensor product decomposition of cyclic irreps. of $SU_q(2)$ with $q^4=1$. | | Source: | arXiv, cond-mat/9507115 | | Other source: | [GID 448224] pmid10061645 | | Services: | Forum | Review | PDF | Favorites | |
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