# Single-atom energy-conversion device with a quantum load

@article{Horne2018SingleatomED, title={Single-atom energy-conversion device with a quantum load}, author={N. Horne and D. Yum and T. Dutta and P. H{\"a}nggi and Jiangbin Gong and D. Poletti and M. Mukherjee}, journal={npj Quantum Information}, year={2018}, volume={6}, pages={1-9} }

We report on a single-atom energy-conversion quantum device operating as an engine, or a refrigerator, coupled to a quantum load. The ‘working fluid’ consists of the two optical levels of an ion, while the load is one of its vibrational modes, cooled down to the quantum regime. We explore two important differences with classical engines: (1) the presence of a strong generic coupling interaction between engine and load, which can induce correlations between them and (2) the use of nonthermal… CONTINUE READING

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