论文标题
暗态引起的热矫正
Dark-State-Induced Heat Rectification
论文作者
论文摘要
热量和噪声控制对于量子技术的持续发展至关重要。为此，一个特别强大的工具是热整流器，它允许以两个浴室的一个配置进行热传输，但不能反向。在这里，我们提出了一类整流器，以利用低温浴缸的单向性，以迫使系统进入黑暗状态，从而在两个浴室的一个构型中阻止热传输。但是，如果两个浴缸被切换，则观察到热电流。提出了使用QUTRIT耦合到两个谐波振荡器的实现，并为实际的参数值实现了超过$ 10^3 $的整流值。此外，我们表明，通过外部驾驶的数量级可以放大热电流，而不会降低二极管功能。对于各种参数，可以看到热量矫正效果，并且在衰减和脱落方面具有鲁棒性。
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 $10^3$ 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.
