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Critical correlations of Ising and Yang-Lee critical points from Tensor RG
[article]
2022
arXiv
pre-print
We examine feasibility of accurate estimations of universal critical data using tensor renormalization group (TRG) algorithm introduced by Levin and Nave. Specifically, we compute critical exponents γ, γ/ν, δ, η and amplitude ratio A for the magnetic susceptibility from one- and two-point correlation functions for three critical points in two dimensions – isotropic and anisotropic Ising models and the Yang-Lee critical point at finite imaginary magnetic field. While TRG performs quantitaviely
arXiv:2204.06763v1
fatcat:2tlqeohlqvftrgxnd7f74okujm