片上Maxwell's Demon作为信息驱动的冰箱
On-chip Maxwell's demon as an information-powered refrigerator
摘要：
我们提出了一个实验实现的自治麦克斯韦恶魔，从系统中提取微观信息，并通过应用反馈减少其熵。它是基于两个电容耦合的单电子器件，都集成在同一个电子电路。这种设置允许对恶魔和系统的热力学以及它们的相互信息交换进行详细分析。Demon的运行被直接观察为系统中的温度下降。我们还观察到同时温度上升的恶魔所产生的热力学成本产生的互信息。
英文摘要：
We present an experimental realization of an autonomous Maxwell's Demon, which extracts microscopic information from a System and reduces its entropy by applying feedback. It is based on two capacitively coupled single electron devices, both integrated on the same electronic circuit. This setup allows a detailed analysis of the thermodynamics of both the Demon and the System as well as their mutual information exchange. The operation of the Demon is directly observed as a temperature drop in the System. We also observe a simultaneous temperature rise in the Demon arising from the thermodynamic cost of generating the mutual information.
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