Playing ping-pong with single electrons
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Semiconductor fabrication techniques allow researchers to make devices containing just a single electron, resembling an artificial atom, with quantised energy levels, but with far more control than in a real atom. The long-term goal is to make a quantum computer using a set of these “quantum dots”, each holding a quantum bit of information (“qubit”). Prof. Ford will introduce these topics and will describe his work on transferring single electrons between dots using sound waves travelling along a surface.
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