Corpus ID: 236428827

J1-J2 fractal studied by multi-recursion tensor-network method

@inproceedings{Genzor2021J1J2FS,
  title={J1-J2 fractal studied by multi-recursion tensor-network method},
  author={Jozef Genzor and Andrej Gendiar and Ying-Jer Kao},
  year={2021}
}
We generalize a tensor-network algorithm to study thermodynamic properties of self-similar spin lattices constructed on a square-lattice frame with two types of couplings, J1 and J2, chosen to transform a regular square lattice (J1 = J2) onto a fractal lattice if decreasing J2 to zero (the fractal fully reconstructs when J2 = 0). We modified the Higher-Order Tensor Renormalization Group (HOTRG) algorithm for this purpose. Single-site measurements are performed by means of so-called impurity… Expand

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