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Quantum computing

Quantum computing

What is a qubit?

19 May 2016

In less than 100 seconds, Andrea Morello introduces the concept of a quantum bit or “qubit”. He explains why the quantum properties of qubits can be used to create computational systems that are exponentially more capable than classical computers for performing certain tasks. Morello – who is based at the University of New South Wales in Australia – discusses some of the ways in which researchers are creating qubits, covering superconductors, spin systems and ion-trap methods. Morello is a member of the editorial board of Quantum Science and Technology, a new journal published by the Institute of Physics, which also publishes Physics World.

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