论文标题
活性系统的量热法
Calorimetry for active systems
论文作者
论文摘要
我们为一类受热噪声的活性颗粒提供了量热法的理论基础。模拟AC钙化法，我们从数值上评估了双孔和周期性电势和具有闪烁电势的系统的奔跑颗粒的热容量。低温Schottky样峰显示了活性的作用，表明了形状转变，而负热容量的模式以较高的推进速度出现。从那里开始，可以在低温下推断出活性系统的热容量显着增加，以及基于热容量测量的自动化人工或仿生系统活动的诊断工具的可能性。
We provide the theoretical basis of calorimetry for a class of active particles subject to thermal noise. Simulating AC-calorimetry, we numerically evaluate the heat capacity of run-and-tumble particles in double-well and in periodic potentials, and of systems with a flashing potential. Low-temperature Schottky-like peaks show the role of activity and indicate shape transitions, while regimes of negative heat capacity appear at higher propulsion speeds. From there, a significant increase in heat capacities of active systems may be inferred at low temperatures, as well as the possibility of diagnostic tools for the activity of self-motile artificial or biomimetic systems based on heat capacity measurements.
