气泡几何中的分裂流
Split Flows in Bubbled Geometries
摘要：
我们提出了一个程序来澄清部分物理部门的基础上的想法类似的分裂吸引流猜想Denef提出的五维气泡的几何形状。这个过程包括构建一些简单的树状图，我们称之为骨架，而不涉及模空间。骨架（树）存在当且仅当它通过纯粹基于局部CTC（封闭类时曲线）检查的存在条件。然后，我们提出了类似于Denef版本的猜想，即每个现有的骨架（树）都应该对应于某种解决方案，其中确保全局不存在CTC。此外，我们提出了两个图片来明确识别这种对应关系，并使用一些数值例子来说明这个过程是如何工作的。我们还分析了最简单的气泡supertube的物理部门，看看存在条件约束的电荷参数空间。
英文摘要：
We propose a procedure to clarify part of the physical sector in the five dimensional bubble geometries based on ideas similar to the split attractor flow conjecture proposed by Denef. This procedure involves building some simple tree-like graphs that we call skeletons without referring to the moduli space. The skeleton (tree) exists if and only if it passes the existence conditions which are purely based on some local CTC's (closed timelike curves) checking. Then, we propose the conjecture similar to Denef's version which states that every existing skeleton (tree) should correspond to some solution in which the global absence of CTC's is ensured. Furthermore, we propose two pictures to identify this correspondence explicitly and use some numerical examples to show how this procedure works. We also analyze the physical sector of the simplest bubbled supertube and see how the existence conditions constrain the charge parameter space.
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