论文标题
可调的螺旋限制费用顺序
Tunable Order of Helically Confined Charges
论文作者
论文摘要
我们研究了一个在外部电场存在下局限于环形螺旋的同样带电的库仑相互作用颗粒的系统。由于限制，尽管库仑相互作用纯粹具有排斥性，但粒子经历了有效的相互作用，可与粒子距离振荡并允许存在稳定的结合状态。我们设计一个订单参数来对这些结合状态进行分类并使用它来识别粒子顺序的结构交叉，当电场强度变化时会发生。观察到在强电场的状态下，用于消失的电场和晶体顺序的无定形粒子构型。我们研究了参数变化对粒子顺序的影响，并得出结论，分频器是针对广泛的参数值发生的，甚至对于不同的螺旋系统而言。
We investigate a system of equally charged Coulomb-interacting particles confined to a toroidal helix in the presence of an external electric field. Due to the confinement, the particles experience an effective interaction that oscillates with the particle distance and allows for the existence of stable bound states, despite the purely repulsive character of the Coulomb interaction. We design an order parameter to classify these bound states and use it to identify a structural crossover of the particle order, occurring when the electric field strength is varied. Amorphous particle configurations for a vanishing electric field and crystalline order in the regime of a strong electric field are observed. We study the impact of parameter variations on the particle order and conclude that the crossover occurs for a wide range of parameter values and even holds for different helical systems.
