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decoherence

British

/ ˌdiːkəʊˈhɪərəns /

noun

physics the process in which a system's behaviour changes from that which can be explained by quantum mechanics to that which can be explained by classical mechanics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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This allows them to pass quantum states between each other without decoherence, meaning no information is lost.

From Science Daily • Apr. 13, 2026

"They are inherently robust against local noise that produces decoherence, since to corrupt the information, a failure would have to affect the system globally," Aguado explains.

From Science Daily • Feb. 16, 2026

The faster the gate speed, the more computations can be performed before qubits fall out of their quantum state in a process called decoherence.

From MarketWatch • Oct. 25, 2025

That is because a quantum state will collapse, a process called decoherence, if the object interacts with its environment.

From Science Daily • Jan. 16, 2024

The decoherence is effected by giving the stool a tilt by means of an electromagnet.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023