decoherence

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English[edit]

Etymology[edit]

First attested 1902 (OED), in the context of electrical engineering, in the sense of the resetting of a coherer. Decoherence is the verbal noun, standing besides decohesion, derived from decohere (also attested from 1902), the de- negative of cohere (17th century).

Pronunciation[edit]

  • (UK) IPA(key): /diːkəʊˈhɪəɹəns/

Noun[edit]

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decoherence (uncountable)

  1. (engineering) The normal condition of sensitiveness in a coherer (disused).
  2. (physics) The process by which a quantum system interacts with its environment in such a way that no interference between states of the system can be observed.

Related terms[edit]

Translations[edit]