论文标题
通过快捷策略优化布朗热引擎
Optimizing Brownian heat engine with shortcut strategy
论文作者
论文摘要
等温度的快捷方式为在有限的时间操作中加快了准确的热力学过程提供了强大的方法。我们采用快捷方式策略来设计和优化布朗热发动机,并用热力学长度对能量学进行几何描述。我们获得了输出功率的紧密且可及的结合,最佳协议可以以适当的热力学长度恒定速度改变控制参数。我们的结果将在高度阻尼不足和过度阻尼的状态中推广到通用状态,并适用于任意有限的时间周期。
Shortcuts to isothermality provide a powerful method to speed up quasistatic thermodynamic processes within finite-time manipulation. We employ the shortcut strategy to design and optimize Brownian heat engines, and formulate a geometric description of the energetics with the thermodynamic length. We obtain a tight and reachable bound of the output power, which is reached by the optimal protocol to vary the control parameters with a proper constant velocity of the thermodynamic length. Our results generalize the previous optimization in the highly underdamped and the overdamped regimes to the general-damped situation, and are applicable for arbitrary finite-time cycles.