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This study introduces a topology-based diagnostic framework using persistent homology to detect control imperfections in finite-time quantum Otto engines. By analyzing the geometric deformation of operational states rather than relying solely on energy metrics, the method offers a robust way to monitor condition degradation without suppressing nonadiabatic dynamics. This advancement represents a significant step toward reliable error mapping and stability assessment in emerging quantum thermodynamic systems.
Researchers map quantum engine errors with a new topological tool
Researchers at Koç University developed a topological engine monitor, using persistent homology to detect faults in finite-time quantum engines.
Researchers at Koç University in Istanbul, Türkiye, and The University of Texas at Dallas, Richardson, TX 75080, United States of America, have devised a new method for detecting errors in quantum engines by applying concepts from topology. The team’s approach relies on using the ‘shape’ of data to identify faults within a quantum system, a novel application of mathematical concepts to quantum engineering. All benchmark trajectories are generated by the notebooks in the repository; no external dataset was used. This work establishes a measurement-efficient, geometric framework for diagnosing control degradation in finite-time quantum Otto engines. A new diagnostic technique leverages the mathematical field of topology to detect control imperfections in quantum engines, offering a robust alternative to traditional energy-based monitoring methods. Unlike…
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