Corner transfer matrix renormalization group analysis of the two-dimensional dodecahedron model

Abstract

We investigate the phase transition of the dodecahedron model on the square lattice. The model is a discrete analogue of the classical Heisenberg model, which has continuous $O(3)$ symmetry. In order to treat the large on-site degree of freedom $q=20$, we develop a massively parallelized numerical algorithm for the corner transfer matrix renormalization group method, incorporating EigenExa, the high-performance parallelized eigensolver. The scaling analysis with respect to the cutoff dimension reveals that there is a second-order phase transition at $T_{\mathrm{c}}^{}=0.4398(8)$ with the critical exponents $\nu =2.88(8)$ and $\beta =0.21(1)$. The central charge of the system is estimated as $c=1.99(6)$.

arXiv comment8 pages, 6 figures, 1 table

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Cited by in corpus (5)

• Developments in the Tensor Network -- from Statistical Mechanics to Quantum Entanglement
• Efficient Tensor Network ansatz for high-dimensional quantum many-body problems
• Density Matrix Renormalization Group with Tensor Processing Units
• Commensurate-incommensurate transition in the chiral Ashkin-Teller model
• Phase diagram of the single-flavor Gross--Neveu--Wilson model from the Grassmann corner transfer matrix renormalization group