Tensor Renormalization Group and its Application
Tensor Renormalization Group and its Application
Tensor Renormalization Group and its Application
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S 1S 2 S 3σ 1<strong>Tensor</strong>-network representationH= -J∑S Si jσ 3 σ ij2Z = Trexp− βH = Tr∏exp −βHΔ( ) ( )σσσ=SS1 2 3=SS2 3 1=SS3 1 2H ( Δ=− J σ1+ σ2 + σ3)/2σσσ = SSSSSS = 11 2 3 2 3 3 1 1 2Δ