Loop Optimization for Tensor Network Renormalization

We introduce a tensor renormalization group scheme for coarse graining a two-dimensional tensor network that can be successfully applied to both classical and quantum systems on and off criticality. The key innovation in our scheme is to deform a 2D tensor network into small loops and then optimize...

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Veröffentlicht in:	Physical review letters 2017-03, Vol.118 (11), p.110504-110504, Article 110504
Hauptverfasser:	Yang, Shuo, Gu, Zheng-Cheng, Wen, Xiao-Gang
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Entanglement Iterative methods Mathematical analysis Networks Optimization Quantum theory Tensors
Online-Zugang:	Volltext
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