Tensor Renormalization Group and its Application
Tensor Renormalization Group and its Application
Tensor Renormalization Group and its Application
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Hidden OrderHidden “antiferromagnetic” order↑ 0 0 0 ↓ 0 ↑ 0 0 ↓ 0 ↑ 0 0 0 ↓ 0 ↑ 0 0 0 0 ↓Is there any order in theHaldane spin chain?↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓S = -1 (↑) , 0, 1 (↓)Nd 2BaNiO 5Antiferromagneti Neel orderNeelNobel 1970YBa 2Cu 3O 6