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Thermal rectification and negative differential thermal conductance based on a parallel-coupled double quantum-dot

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  • Zhang, Yanchao
  • Su, Shanhe

Abstract

We investigate the heat flow transport properties of a parallel-coupled double quantum-dot system connected to two reservoirs with a temperature bias in the Coulomb blockade regime. We demonstrate that the effects of thermal rectification and negative differential thermal conductance (NDTC) exist in this system and analyze the influences of energy level difference and Coulomb interaction on the thermal rectification and NDTC. We find that this system can achieve a high thermal rectification ratio and NDTC when the asymmetry factor of the system is enhanced.

Suggested Citation

  • Zhang, Yanchao & Su, Shanhe, 2021. "Thermal rectification and negative differential thermal conductance based on a parallel-coupled double quantum-dot," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 584(C).
    • Handle: RePEc:eee:phsmap:v:584:y:2021:i:c:s0378437121006208
    DOI: 10.1016/j.physa.2021.126347
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    References listed on IDEAS

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    1. Aditya Sood & Feng Xiong & Shunda Chen & Haotian Wang & Daniele Selli & Jinsong Zhang & Connor J. McClellan & Jie Sun & Davide Donadio & Yi Cui & Eric Pop & Kenneth E. Goodson, 2018. "An electrochemical thermal transistor," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
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    Cited by:

    1. Qi, Congzheng & Chen, Lingen & Ge, Yanlin & Feng, Huijun, 2023. "Three-heat-reservoir thermal Brownian heat transformer and its performance limits," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 622(C).

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