In a superconducting analogue of a black hole horizon, decoherence induced by Andreev reflection at weak coupling reemerges as coherence at stronger coupling via resonant tunneling through Andreev bound states.
Steinhauer, Observation of quantum Hawking radia- tion and its entanglement in an analogue black hole, Na- ture Physics12, 959 (2016)
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Decoherence and the Reemergence of Coherence From a Superconducting "Horizon''
In a superconducting analogue of a black hole horizon, decoherence induced by Andreev reflection at weak coupling reemerges as coherence at stronger coupling via resonant tunneling through Andreev bound states.