论文标题
与Jecco的全息泡泡：扩大，崩溃和关键
Holographic Bubbles with Jecco: Expanding, Collapsing and Critical
论文作者
论文摘要
宇宙相变可以通过随后扩展和碰撞的气泡的成核进行。所得的重力波谱在这些气泡的性质上至关重要。我们将以前的关于平面气泡的全息工作扩展到在强耦合，非亚伯利亚的四维规格理论中的圆形气泡。此扩展将带来两个新的物理属性。首先，我们确定的关键气泡的存在。其次，后期的气泡轮廓表现出更丰富的自相似结构，我们对此进行了验证。这些结果需要一个称为JECCO的新的3+1演化代码，该代码在渐近的广告空间中求解了特征公式中的爱因斯坦方程。 Jecco用Julia编程语言编写，可以免费使用。我们介绍了代码的大纲，并执行了测试以评估其稳健性和性能。
Cosmological phase transitions can proceed via the nucleation of bubbles that subsequently expand and collide. The resulting gravitational wave spectrum depends crucially on the properties of these bubbles. We extend our previous holographic work on planar bubbles to circular bubbles in a strongly-coupled, non-Abelian, four-dimensional gauge theory. This extension brings about two new physical properties. First, the existence of a critical bubble, which we determine. Second, the bubble profile at late times exhibits a richer self-similar structure, which we verify. These results require a new 3+1 evolution code called Jecco that solves the Einstein equations in the characteristic formulation in asymptotically AdS spaces. Jecco is written in the Julia programming language and is freely available. We present an outline of the code and the tests performed to assess its robustness and performance.
