README.md

dTRG (Differentiable tensor renormalization group)

Requirement

• pytorch 1.2+

Free energy of 1D quantum XY chain

Run this to compute the free energy of the 1D quantum XY chain using Automatic Differentiation through the Tensor Renormalization Group contraction.

$ python dTRG.py 

To Cite

@misc{chen2019automatic,
    title={Automatic Differentiation for Second Renormalization of Tensor Networks},
    author={Bin-Bin Chen and Yuan Gao and Yi-Bin Guo and Yuzhi Liu and Hui-Hai Zhao and Hai-Jun Liao and Lei Wang and Tao Xiang and Wei Li and Z. Y. Xie},
    year={2019},
    eprint={1912.02780},
    archivePrefix={arXiv},
    primaryClass={cond-mat.str-el}
}