Figure 5: The sign of are plotted on the a - δ plane, where Sα is the Rényi entropy of the reduced state of subsystem A. | Scientific Reports

Figure 5: The sign of are plotted on the a - δ plane, where Sα is the Rényi entropy of the reduced state of subsystem A.

From: Entanglement convertibility by sweeping through the quantum phases of the alternating bonds XXZ chain

Figure 5

(a–c) The subsystem size LA = 4, Δ = 0, 1, 4. (d–f ) LA = 60, Δ = 0, 1, 4. The total size is N = 120 (N → ∞ for Δ = 0). In the DMRG calculation, m = 300 states are kept for Δ = 4, with the truncation error below 10−11 near the critical points, and below 10−14 away from the critical points.

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