论文标题
连接两个石墨烯半平面的缝隙中的电流分布
Current distribution in a slit connecting two graphene half-planes
论文作者
论文摘要
我们研究了粘性和欧姆耗散对电流通过狭缝的电流流动的关节作用，将石墨烯片分为两者的屏障。在无滑动边界条件的情况下，我们发现电荷流的粘性和欧姆类型之间的竞争导致当前密度曲线从凹形到凸形的形状的演变。我们提供了对进化的详细分析，并确定了在实验中观察它的有利条件。相反，在无压力边界条件的情况下，欧姆和粘性极限中的当前曲线之间没有质量差异。可以通过实验测试与不同边界条件相对应的行为之间的二分法。
We investigate the joint effect of viscous and Ohmic dissipation on electric current flow through a slit in a barrier dividing a graphene sheet in two. In the case of the no-slip boundary condition, we find that the competition between the viscous and Ohmic types of the charge flow results in the evolution of the current density profile from a concave to convex shape. We provide a detailed analysis of the evolution and identify favorable conditions to observe it in experiment. In contrast, in the case of the no-stress boundary condition, there is no qualitative difference between the current profiles in the Ohmic and viscous limits. The dichotomy between the behavior corresponding to distinct boundary conditions could be tested experimentally.
