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decoherence

British  
/ ˌdiːkəʊˈhɪərəns /

noun

  1. 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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"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

In real-world conditions, these systems are particularly vulnerable to energy loss and decoherence, a process in which quantum systems lose essential properties like entanglement and superposition, leading to reduced performance.

From Science Daily • Oct. 24, 2025

These challenges include the need for fast experimental runs, minimal use of laser light to avoid decoherence, and the ability to quickly repeat experimental runs with the same particle.

From Science Daily • Jan. 10, 2024

The third method of causing the decoherence of the filings is that due to T. Tommasina.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose