Towards a quantum representation of the ampere using single electron pumps
Stephen Giblin gives his talk entitled 'Towards a quantum representation of the ampere using single electron pumps'.
Stephen explains how a team of scientists at the National Physical Laboratory (NPL) and University of Cambridge has made a significant advance in using nano-devices to create accurate electrical currents. Electrical current is composed of billions and billions of tiny particles called electrons. They have developed an electron pump - a nano-device - which picks these electrons up one at a time and moves them across a barrier, creating a very well-defined electrical current.