Adjective
decoherent (comparative more decoherent, superlative most decoherent)
(physics) Exhibiting decoherence.
The traditional "cosmological” Multiverse considers that there might be physical realms inaccessible to us due to their separation in space-time. The quantum Multiverse arises from entities that occupy the same space-time, but are distant in Hilbert space – or in the jargon, decoherent. Frank Wilczek