Phase Diagram of a 2D Vertex Model
Hiroshi Takasaki, Tomotoshi Nishino, Yasuhiro Hieida
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 β= 1/8 and α= 0.
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