Universal digital quantum simulation with trapped ions

Details Universal digital quantum simulation with trapped ions Universal digital quantum simulation with trapped ions

2011-09-07

arxiv.org/abs/1109.1512v2

Science 334, 57 (2011)

Physics

Quantum Physics

12 pages, 4 figures (main article) + 31 pages, 9 figures (supplementary online material)

Scientific paper

10.1126/science.1208001

A digital quantum simulator is an envisioned quantum device that can be pro- grammed to efficiently simulate any other local system. We demonstrate and investigate the digital approach to quantum simulation in a system of trapped ions. Using sequences of up to 100 gates and 6 qubits, the full time dynamics of a range of spin systems are digitally simulated. Interactions beyond those naturally present in our simulator are accurately reproduced and quantitative bounds are provided for the overall simulation quality. Our results demon- strate the key principles of digital quantum simulation and provide evidence that the level of control required for a full-scale device is within reach.

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