Dark-State-Induced Heat Rectification
arXiv:2203.12623 · doi:10.1103/PhysRevE.106.034116
Abstract
Heat and noise control is essential for the continued development of quantum technologies. For this purpose, a particularly powerful tool is the heat rectifier, which allows for heat transport in one configuration of two baths but not the reverse. Here we propose a class of rectifiers that exploits the unidirectionality of a low temperature bath to force the system into a dark state thus blocking heat transport in one configuration of the two baths. However, if the two baths are switched around, a heat current is observed. An implementation using a qutrit coupled to two harmonic oscillators is proposed and rectification values beyond are achieved for realistic parameter values. Furthermore, we show that the heat current can be amplified by an order of magnitude through external driving without diminishing the diode functionality. The heat rectification effect is seen for a large range of parameters, and it is robust towards both decay and dephasing.
arXiv comment7 pages, 5 figures
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Cited by in corpus (5)
- Characterizing the performance of heat rectifiers
- Unveiling Detuning Effects for Heat-Current Control in Quantum Thermal Devices
- Maximal steady-state entanglement in autonomous quantum thermal machines
- Heat-based circuits using quantum rectification
- Magnetically controlled quantum thermal devices via three nearest-neighbor coupled spin-1/2 systems