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December 05, 2006

French physicist critiques gate model quantum computers

From New Scientist, an article reporting that Michael Dyakonov of the University of Montpellier in France believes large scale quantum computing is akin to achieving perpetual motion.

The pdf of the paper is here

He is referring to gate model quantum computers with 1000 to 1,000,000 qubits.

Others think Dyakonov has got it wrong. "It is true that the quantum computing community should be cautiously optimistic, rather than confident," says Andrew Steane of the University of Oxford. "But his arguments are largely misleading."

He also is not talking about adiabatic quantum computers like that being worked on by Dwave.





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