While it is known in principle that quantum mechanics can enhance operation of microscopic thermal engines, convincing experimental examples of quantum energetic advantages are scarce. Here, the authors successfully showcase a quantum advantage in energy efficiency in a single trapped-ion based device, by demonstrating the benefit from quantum coherence and exploiting suppression of quantum friction effects via counterdiabatic driving.
- Waner Hou
- Wanchao Yao
- Jiangfeng Du