Using a two-atom open quantum system in de Sitter space, the authors claim to derive analytic entanglement dynamics and Bell inequality violation, but the derivation rests on an ad hoc imaginary-frequency condition.
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Open Quantum Entanglement: A study of two atomic system in static patch of de Sitter space
Using a two-atom open quantum system in de Sitter space, the authors claim to derive analytic entanglement dynamics and Bell inequality violation, but the derivation rests on an ad hoc imaginary-frequency condition.