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Apr 24, 2019

Electron qubit non-destructively read: Silicon qubits may be better

Posted by in categories: computing, quantum physics

I suspect that if you asked an engineer at Intel about quantum computing, they probably wouldn’t want to know about it unless the chips could be fabricated using standard fabrication technology. Using standard processes means using electrons as the basis for quantum computing.

Electrons are lovely in many respects, but they are rather extroverted. It doesn’t matter what you do, they will run off and play with the neighbors. The constantly interacting electron does not look after its quantum state, so quantum information is rapidly lost, making processing really difficult. This makes the achievement of a quantum non-demolition measurement in an electron system rather remarkable.

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