Discrete quantum Fourier transform in coupled semiconductor double quantum dot molecules

Physics – Quantum Physics

Scientific paper

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3 pages,2 figures

Scientific paper

10.1016/j.physleta.2008.11.005

In this Letter, we present a physical scheme for implementing the discrete quantum Fourier transform in a coupled semiconductor double quantum dot system. The main controlled-R gate operation can be decomposed into many simple and feasible unitary transformations. The current scheme would be a useful step towards the realization of complex quantum algorithms in the quantum dot system.

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