Tensor renormalization group algorithms with a projective truncation method
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DOI: 10.1103/physrevb.99.155101
Abstract: We apply the projective truncation technique to the tensor renormalization group (TRG) algorithm in order to reduce the computational cost from $O(\chi^6)$ to $O(\chi^5)$, where $\chi$ is the bond dimension, and propose three kinds of… read more here.
Keywords: projective truncation; renormalization group; tensor renormalization;