具有通量管核的规则黑洞
Regular black holes with flux tube core
摘要：
我们考虑一类黑洞的二维空间截面的面积有一个最小值的地平线上的准sigmoid（Krusckal-like）坐标。如果视界是规则的，我们就可以生成一个类似于这种度规的管状对应物，并将它平滑地粘在一个黑洞区域上。由此产生的复合时空是全局正则的，因此原始度量视界下的所有潜在奇点都被去除了。这样的时空代表了一个没有视视界的黑洞。物质的外区必须是非真空的，而内区必须是类真空的。作为一个例子，我们考虑真空流体和物质的线性状态方程和标量幻影场的非相互作用的混合物。这种方法被扩展到扭曲的度量，与球对称放松的要求。
英文摘要：
We consider a class of black holes for which the area of the two-dimensional spatial cross-section has a minimum on the horizon with respect to a quasiglobal (Krusckal-like) coordinate. If the horizon is regular, one can generate a tubelike counterpart of such a metric and smoothly glue it to a black hole region. The resulting composite space-time is globally regular, so all potential singuilarities under the horizon of the original metrics are removed. Such a space-time represents a black hole without an apparent horizon. It is essential that the matter should be non-vacuum in the outer region but vacuumlike in the inner one. As an example we consider the noninteracting mixture of vacuum fluid and matter with a linear equation of state and scalar phantom fields. This approach is extended to distorted metrics, with the requirement of spherical symmetry relaxed.
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。
