论文标题
真空气泡II的原始黑洞形成II
Primordial black hole formation by vacuum bubbles II
论文作者
论文摘要
近年来，Ligo/Wigo黑洞的发现振兴了原始黑洞的研究。在这项工作中，我们研究了一种机制，即通过量子隧穿在充气期间随机成核的真空气泡形成原始黑洞。通货膨胀后，这些气泡通常会以较大的洛伦兹因子进入环境辐射流体。在我们以前的工作中，我们假设气泡场与标准模型颗粒强烈耦合，以使气泡壁不可渗透。在这里，我们通过考虑仅通过重力与流体相互作用的气泡来完成这张图片。通过在几个范围内研究场景，我们发现黑洞可以在亚临界或超临界状态下形成。根据模型参数，黑洞的产生质谱可能是宽或狭窄的，并且可能形成两个质量范围的两个峰。使用不同的光谱，这些黑洞可能会解释Ligo/Wigo黑洞，超大的黑洞，并且可能在暗物质中起重要作用。
The discoveries of LIGO/Virgo black holes in recent years have revitalized the study of primordial black holes. In this work, we investigate a mechanism where primordial black holes are formed by vacuum bubbles that randomly nucleate during inflation through quantum tunneling. After inflation, these bubbles typically run into the ambient radiation fluid with a large Lorentz factor. In our previous work, we assumed the bubble fields are strongly coupled to the standard model particles so that the bubble wall is impermeable. Here we complete this picture by considering bubbles interacting with the fluid only through gravity. By studying the scenario in several limits, we found that black holes could form in either subcritical or supercritical regime. Depending on the model parameters, the resulting mass spectrum of the black holes could be wide or narrow, and may develop two peaks separated by a large mass range. With different spectra, these black holes may account for the LIGO/Virgo black holes, supermassive black holes, and may play an important role in dark matter.
