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Coherence-enhanced thermal amplification for small systems

Author

Listed:
  • Su, Shanhe
  • Zhang, Yanchao
  • Andresen, Bjarne
  • Chen, Jincan

Abstract

Coherent control of self-contained quantum systems offers the possibility to fabricate smallest thermal transistors. The steady coherence created by the delocalization of electronic excited states arouses nonlinear heat transports in non-equilibrium environment. Applying this result to a three-level quantum system, we show that quantum coherence gives rise to negative differential thermal resistances, making the thermal transistor suitable for thermal amplification. The results demonstrate that quantum coherence facilitates efficient thermal signal processing and can open a new field in the application of quantum thermal management devices.

Suggested Citation

  • Su, Shanhe & Zhang, Yanchao & Andresen, Bjarne & Chen, Jincan, 2021. "Coherence-enhanced thermal amplification for small systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 569(C).
    • Handle: RePEc:eee:phsmap:v:569:y:2021:i:c:s037843712100025x
    DOI: 10.1016/j.physa.2021.125753
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    References listed on IDEAS

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    1. Fu, Weicheng & Jin, Tao & He, Dahai & Qu, Shixian, 2015. "Effect of dynamical localization on negative differential thermal resistance," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 433(C), pages 211-217.
    2. Li, Haidong & Wang, Yuan & Hao, Haoshan & Liu, Shaohui & Ding, Jun, 2019. "Performance optimization and parameter design of a benzene molecule heat engine," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 513(C), pages 798-807.
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