Phase Diagram of a 2D Vertex Model

Abstract

Phase diagram of a symmetric vertex model which allows 7 vertex configurations is obtained by use of the corner transfer matrix renormalization group (CTMRG), which is a variant of the density matrix renormalization group (DMRG). The critical indices of this model are identified as $\beta =1/8$ and $\alpha =0$.

2 pages, 5 figures, short note

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