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arXiv 0902.0880hep-th
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K场论中的紧致壳孤子

Compact shell solitons in K field theories

C. Adam, P. Klimas, J. Sanchez-Guillen, A. Wereszczynski

摘要:

介绍了3+1维和4+1维具有紧支承的壳形静力解的几种模型,并给出了相应的精确解。这些解都是拓扑孤子,可以分别归类为$S^3 \to S^3$映射和悬置Hopf映射。这些模型的拉格朗日是由一个标量场与一个非标准的动力学项(K场)耦合到一个纯Skyrme项限于$S^2$,提高到适当的权力,以避免德里克标度参数。进一步,利用广义可积性方法解释了无穷多个精确壳孤子的存在性。最后,类似的模型,允许非拓扑球型的3+1维的简要讨论。

英文摘要:

Some models providing shell-shaped static solutions with compact support (compactons) in 3+1 and 4+1 dimensions are introduced, and the corresponding exact solutions are calculated analytically. These solutions turn out to be topological solitons, and may be classified as maps $S^3 \to S^3$ and suspended Hopf maps, respectively. The Lagrangian of these models is given by a scalar field with a non-standard kinetic term (K field) coupled to a pure Skyrme term restricted to $S^2$, rised to the appropriate power to avoid the Derrick scaling argument. Further, the existence of infinitely many exact shell solitons is explained using the generalized integrability approach. Finally, similar models allowing for non-topological compactons of the ball type in 3+1 dimensions are briefly discussed.

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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