arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0901.1654hep-thnlin.SI
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可积理论与回路空间:基础、应用与新进展

Integrable theories and loop spaces: fundamentals, applications and new developments

Orlando Alvarez, L. A. Ferreira, J. Sanchez-Guillen

摘要:

我们回顾了我们的建议,推广标准的二维平坦建设的Lax-Zakharov-Shabat相对论场论在d+1维。回路空间上的联络理论的基本原理被提出和阐明。这些想法是使用物理学家熟悉的数学工具揭示的。我们展示了最近的和新的结果,有关的局部性的循环空间曲率的循环空间完整性的同态不变性。这些结果被用来证明,如果完整性是同构不变的,则完整性是阿贝尔的。这些结果部分地证明了过去十年中制定的方法在当地实施的局限性。我们强调非常有趣的应用,如建设和解决方案的可积四维场论与Hopf孤子,和新的可积性条件,推广BPS方程系统,如Skyrme理论。这些思想的应用,导致新的建设实施的理论,承认体积保持对称的目标空间的同构。应用到物理相关的系统,如杨米尔斯理论进行了总结。我们还讨论了尚未探索的其他可能性。

英文摘要:

We review our proposal to generalize the standard two-dimensional flatness construction of Lax-Zakharov-Shabat to relativistic field theories in d+1 dimensions. The fundamentals from the theory of connections on loop spaces are presented and clarified. These ideas are exposed using mathematical tools familiar to physicists. We exhibit recent and new results that relate the locality of the loop space curvature to the diffeomorphism invariance of the loop space holonomy. These result are used to show that the holonomy is abelian if the holonomy is diffeomorphism invariant. These results justify in part and set the limitations of the local implementations of the approach which has been worked out in the last decade. We highlight very interesting applications like the construction and the solution of an integrable four dimensional field theory with Hopf solitons, and new integrability conditions which generalize BPS equations to systems such as Skyrme theories. Applications of these ideas leading to new constructions are implemented in theories that admit volume preserving diffeomorphisms of the target space as symmetries. Applications to physically relevant systems like Yang Mills theories are summarized. We also discuss other possibilities that have not yet been explored.

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