Efficient Grover search with Rydberg blockade

Details Efficient Grover search with Rydberg blockade Efficient Grover search with Rydberg blockade

2011-02-17

arxiv.org/abs/1102.3573v2

Physics

Quantum Physics

Detailed description of algorithm for sub-register architecture. Error budget modified for Cs atomic parameters. To appear in

Scientific paper

We present efficient methods to implement the quantum computing Grover search algorithm using the Rydberg blockade interaction. We show that simple pi-pulse excitation sequences between ground and Rydberg excited states readily produce the key conditional phase shift and inversion-about-the mean unitary operations for the Grover search. Multi-qubit implementation schemes suitable for different properties of the atomic interactions are identifed and the error scaling of the protocols with system size is found to be promising for immediate experimental investigation.

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