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Baby Skyrmion chains

机译:婴儿天rm链

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摘要

The Baby Skyrmion model is a two-dimensional analogue of the full three-dimensional Skyrme model. It is not just useful for guiding investigations in the Skyrme model, it also has applications in condensed matter physics. Previous results on multi-charged Baby Skyrmion solutions have pointed to a modular structure, comprised of charge two rings and single charge one Skyrmions, which combine to form higher charged structures. In this paper we present alternative numerical solutions that correspond to new finite Baby Skyrmion chains, which have lower energy than those found previously, and are also good candidates for the global minimum energy solutions. We then proceed from the infinite plane, to Baby Skyrmions on a cylinder and then a torus, to obtain the solutions of periodic Baby Skyrmions, of which periodic segments will correspond to sections of large charge Baby Skyrmions in the plane.
机译:Baby Skyrmion模型是完整三维Skyrme模型的二维模拟。它不仅对指导Skyrme模型中的研究有用,而且在凝聚态物理中也有应用。先前关于多电荷Baby Skyrmion解决方案的结果指出了一种模块化结构,该结构包括两个带电荷的单环和一个单个电荷的Skyrmion,它们结合在一起形成较高电荷的结构。在本文中,我们提出了与新的有限Baby Skyrmion链相对应的替代数值解决方案,这些链的能量比以前发现的要低,并且是全局最小能量解决方案的良好候选者。然后,我们从无穷大平面开始,到圆柱体上的Baby Skyrmions,然后是圆环,以获得周期性Baby Skyrmions的解,其周期性分段将对应于平面中大电荷的Baby Skyrmions的各个部分。

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