Optimal work extraction in measurement-based quantum Otto engines: Non-adiabaticity and generalized measurements can be beneficial

Quantum Otto engines leveraging measurement-based operations have shown promise as alternatives to traditional thermal engines, offering enhanced control and simplicity. Researchers have now explored the optimal work extraction in these engines, focusing on non-adiabatic processes and generalized measurements¹. By utilizing a qubit as the working substance, the study investigates the optimal parameters for maximizing work output. The findings suggest that non-adiabaticity and generalized measurements can be beneficial in enhancing the engine's performance. This discovery has significant implications for the development of quantum heat engines, which could potentially surpass the efficiency of classical thermal engines. The ability to optimize work extraction in these engines is crucial for their practical implementation. So what matters to practitioners is that these advancements in quantum Otto engines could pave the way for more efficient and controlled quantum systems, ultimately impacting the future of quantum computing and cryptography.