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Tensor network finite-size scaling for two-dimensional 3-state clock model
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Tensor network finite-size scaling for two-dimensional 3-state clock model
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Journal Article
Tensor network finite-size scaling for two-dimensional 3-state clock model
2025
Overview
We benchmark recently proposed tensor network based finite-size scaling analysis in ( Phys. Rev. B 2023 107 205123) against two-dimensional classical 3-state clock model. Due to the higher complexity of the model, more complicated crossover behavior is observed. We advocate that the crossover behavior can be understood from the perspective of finite bond dimension inducing relevant perturbation. This leads to a general strategy to best estimate the critical properties for a given set of control parameters. For the critical temperature T c , the relative error at the order of 10 −7 can be reached with bond dimension D = 70. On the other hand, with bond dimension D = 60, the relative errors of the critical exponents ν , β , α are at the order of 10 −2 . Increasing the bond dimension to D = 90, these relative errors can be reduced at least to the order of 10 −3 . In all cases our results indicate that the errors can be systematically reduced by increasing the bond dimension and the stacking number.
Publisher
IOP Publishing
