论文标题
de Sitter空间中球形充电壳的动力学
Dynamics of spherical charged dust shells in de Sitter space
论文作者
论文摘要
我们研究了在正宇宙常数的情况下，带电的，球体对称的灰尘壳的动力学。我们发现在渐近平坦的时空中，尤其是轨道中众所周知的溶液的概括为“平行宇宙”，但在事件范围形成之前，与对应于壳的“弹跳”的新溶液。我们还讨论了“泡泡”解决方案，其中充电的外壳和相反的奇异性是自发创建和消灭的。
We study the dynamics of charged, spherically symmetric dust shells in the presence of a positive cosmological constant. We find generalizations of the well-known solutions in asymptotically flat spacetime, in particular orbits into "parallel universes", but also new solutions corresponding to a "bounce" of the shell before an event horizon has formed. We also discuss "bubble" solutions, in which a charged shell and an oppositely charged singularity are spontaneously created and annihilated.
