7–11 Jul 2025
University of the Witwatersrand, Johannesburg
Africa/Johannesburg timezone

Amplitude transformation in a qubit register

9 Jul 2025, 09:20
20m
Solomon Mahlangu House (University of the Witwatersrand, Johannesburg)

Solomon Mahlangu House

University of the Witwatersrand, Johannesburg

Oral Presentation Track F - Applied Physics Applied Physics

Speaker

Alan Matthews (UKZN)

Description

In quantum computing a diagrammatic representation of a code is conventionally displayed as a vertical column of qubits that feed from left to right into a network of wires and gates. An alternative view is an array with qubits as a header row for all register eigenstates, with amplitude values as a column on the left. In this view, the action of gates on the register is seen as successive transformations of amplitude values, which allows for quantum parallelism to be seen acting on the register as a whole and for the ingenuity of various algorithms to be evident. Examples are the algorithms by Deutsch and for quantum teleportation.

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Author

Alan Matthews (UKZN)

Presentation materials