Physics – Quantum Physics
Scientific paper
2003-03-11
Phys. Rev. Lett. 91, 027902 (2003)
Physics
Quantum Physics
4 pages. Accepted version; Journal-ref. added
Scientific paper
10.1103/PhysRevLett.91.027902
The implementation of a quantum computer requires the realization of a large number of N-qubit unitary operations which represent the possible oracles or which are part of the quantum algorithm. Until now there are no standard ways to uniformly generate whole classes of N-qubit gates. We have developed a method to generate arbitrary controlled phase shift operations with a single network of one-qubit and two-qubit operations. This kind of network can be adapted to various physical implementations of quantum computing and is suitable to realize the Deutsch-Jozsa algorithm as well as Grover's search algorithm.
Schuch Norbert
Siewert Jens
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