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Nonequilibrium quantum thermodynamics in non-Markovian adiabatic speedup

Author

Listed:
  • Wang, Zhao-Ming
  • Ren, Feng-Hua
  • Sarandy, Marcelo S.
  • Byrd, Mark S.

Abstract

Understanding heat transfer between a quantum system and its environment is of undisputed importance if reliable quantum devices are to be constructed. Here, we investigate the heat transfer between system and bath in non-Markovian open systems in the process of adiabatic speedup. Using the quantum state diffusion equation method, the heat current, energy current, and power are calculated during free evolution and under external control of the system. While the heat current increases with increasing system–bath coupling strength and bath temperature, it can be restricted by the non-Markovian nature of the bath. Without pulse control, the heat current is nearly equal to the energy current. On the other hand, with pulse control, the energy current turns out to be nearly equal to the power. In this scenario, we show that non-Markovianity is a useful tool to drive the system through an approximate adiabatic dynamics, with pulse control acting in the conversion between heat current and power throughout the evolution.

Suggested Citation

  • Wang, Zhao-Ming & Ren, Feng-Hua & Sarandy, Marcelo S. & Byrd, Mark S., 2022. "Nonequilibrium quantum thermodynamics in non-Markovian adiabatic speedup," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 603(C).
    • Handle: RePEc:eee:phsmap:v:603:y:2022:i:c:s037843712200557x
    DOI: 10.1016/j.physa.2022.127861
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