Tuning the coupling ratio in a two-qubit Heisenberg model coupled to a fermionic bath induces entanglement redistribution whose mutual information measures parallel the Page curve and yield an effective temperature scaling like Hawking temperature.
In the strong coupling phase, the effective coupling J ∗ K dominates over ˜J, and increases with JK/ ˜J
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Tracking Entanglement Transfer: Emergence of Thermodynamics from Quantum Information
Tuning the coupling ratio in a two-qubit Heisenberg model coupled to a fermionic bath induces entanglement redistribution whose mutual information measures parallel the Page curve and yield an effective temperature scaling like Hawking temperature.