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The study uses a finite-rate quantum Otto cycle and a generalised Aubry-André-Harper chain to show that positive mean work can appear during nonadiabatic population transfer in quasiperiodic systems. The authors argue that spectral accessibility, not microscopic adiabaticity, governs thermodynamic recovery, which challenges assumptions from static analyses. For quantum readers, this is fundamental quantum thermodynamics that could inform future quantum device design, but it is early theoretical work with no demonstrated application yet.
Researchers Map Energy Flow Within Complex Quantum Systems
Positive mean work can reappear within driven quasiperiodic systems even when population transfer is nonadiabatic, a surprising result challenging conventional expectations. Unlike analyses limited by static system properties, a quantum Otto cycle reveals which parts of the spectrum become dynamically accessible during transformation. This offers an alternative method for probing these complex materials using fluctuation-based thermodynamics alongside existing diagnostic tools.
A finite-rate quantum Otto cycle offers new ways to examine quasiperiodic systems; it acts as a thermodynamic probe revealing dynamically accessible spectral regions key for understanding driven transformations. This approach differs from relying solely on static analysis of these complex systems because it considers how energy exchange occurs during rapid changes, specifically, positive mean work can reappear even when population transfer is nonadiabatic due to redistribution toward energetically less costly channels. Researchers observe how energy…
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