Physics – Quantum Physics
Scientific paper
2007-04-17
Physics Letters A 373 (2008) 30-32
Physics
Quantum Physics
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.
Cao Zhuo-Liang
Dong Ping
Yang Ming
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