论文标题

在大粘性状态下驱动的兰格文系统的振荡状态

Oscillating states of driven Langevin systems in large viscous regime

论文作者

Awasthi, Shakul, Dutta, Sreedhar B.

论文摘要

我们在大型粘性制度中采用适当的扰动方案来研究驱动的Langevin系统中的振荡状态。我们明确确定受热,粘性和潜在驱动器在非谐动力扰动中呈线性序列的振荡状态分布。我们还评估了与振荡状态相关的各种非平衡可观察物。我们发现,即使在领先顺序中,粘性驱动器对振荡状态的影响也是可测量的,并表明系统中系统在这些状态中的热力学特性与平衡的影响非常不同。

We employ an appropriate perturbative scheme in the large viscous regime to study oscillating states in driven Langevin systems. We explicitly determine oscillating state distribution of under-damped Brownian particle subjected to thermal, viscous and potential drives to linear order in anharmonic perturbation. We also evaluate various non-equilibrium observables relevant to characterize the oscillating states. We find that the effects of viscous drive on oscillating states are measurable even in the leading order and show that the thermodynamic properties of the system in these states are immensely distinct from those in equilibrium.

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