Breakthrough in quantum computing defeats ‘quantum bug’

by David Solomonoff

Using high magnetic fields, Susumu Takahashi, assistant professor in the USC Dornsife College of Letters, Arts and Sciences,  managed to suppress decoherence, one of the key problems in achieving quantum computing.

Decoherence is a form of noise or interference that knocks a quantum particle out of superposition. Because a quantum computer relies on a quantum particle’s ability to be both here and there, decoherence, which causes a quantum particle to be either here or there, has been a stumbling block.

Quantum computers will be able to perform complex calculations that are impossible for today’s traditional computers.

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