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arXiv 1209.5403hep-thmath-phmath.MP
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具有APD对称性的BPS理论中涡旋与平面Skyrmions的拓扑对偶性

Topological duality between vortices and planar skyrmions in BPS theories with APD symmetries

C. Adam, J. Sanchez-Guillen, A. Wereszczynski, W. J. Zakrzewski

摘要:

BPS baby Skyrme模型是baby Skyrme模型的子模型,其中非线性西格玛模型项被抑制。它们的skyrmion解决方案饱和的BPS界,相应的静态能量功能下保持面积的同态(APD)是不变的。本文证明了BPS baby Skyrme模型中带有非平凡拓扑荷$Q_{b} \in π_2(S^2)$(一个缠绕数)的孤子与带有拓扑荷$Q_{v}\in π_1(S^1)$(一个涡旋数)的BPS涡旋模型中的涡旋是对偶的,即两个模型的BPS解之间存在一个映射.两个模型的BPS解的相应能量密度相同。对偶性的进一步结果是,对偶BPS涡旋模型继承了BPS性质和BPS婴儿Skyrme模型的无限多对称性(APD)。最后,我们证明了相同的拓扑对偶继续保持U(1)规范版本的模型。

英文摘要:

The BPS baby Skyrme models are submodels of baby Skyrme models, where the nonlinear sigma model term is suppressed. They have skyrmion solutions saturating a BPS bound, and the corresponding static energy functional is invariant under area-preserving diffeomorphisms (APDs). Here we show that the solitons in the BPS baby Skyrme model, which carry a nontrivial topological charge $Q_{b} \in π_2(S^2)$ (a winding number), are dual to vortices in a BPS vortex model with a topological charge $Q_{v}\in π_1(S^1)$ (a vortex number), in the sense that there is a map between the BPS solutions of the two models. The corresponding energy densities of the BPS solutions of the two models are identical. A further consequence of the duality is that the dual BPS vortex models inherit the BPS property and the infinitely many symmetries (APDs) of the BPS baby Skyrme models. Finally, we demonstrate that the same topological duality continues to hold for the U(1) gauged versions of the models.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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