Quantum theory is the basis of modern physics and explains the nature and behaviour of matter and energy at the atomic level. Its peculiar features, such as superposition and entanglement, open up the possibility of completely new ways to manipulate information. Quantum entanglement, for instance, is the phenomenon in which the state of composite systems can never be expressed by whatever collection of the descriptions of the subsystems. It is believed to be essential for achieving classically intractable applications such as quantum communication and computation. Our group working closely with experimentalists explores such quantum natures and how they can be applied to generate new forms of quantum technology.
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