论文标题
来自非最小耦合超级通货膨胀的原始黑洞和重力波
Primordial black holes and gravitational waves from nonminimally coupled supergravity inflation
论文作者
论文摘要
我们研究了原始黑洞的形成和在一类宇宙学模型中的产生引力波的产生，这些模型是观察到的非微小耦合希格斯膨胀模型的直接超对称类似物。众所周知，这种类型的模型自然包含可以被视为充气的多个标量场。为了简单起见，我们专注于充气场空间二维的情况。我们分析了多场动力学，并找到了参数的区域，这些区域可为原始黑洞的大量产生，这可能构成当前暗物质丰度的重要组成部分。我们还计算了引力波的光谱，并通过将来的地面和太空引力波观测器讨论其可检测性。
We study the formation of primordial black holes and the generation of gravitational waves in a class of cosmological models that are direct supersymmetric analogs of the observationally favored nonminimally coupled Higgs inflation model. It is known that this type of model naturally includes multiple scalar fields which may be regarded as the inflaton. For the sake of simplicity we focus on the case where the inflaton field space is two dimensional. We analyze the multifield dynamics and find the region of parameters that gives copious production of primordial black holes that may comprise a significant part of the present dark matter abundance. We also compute the spectrum of the gravitational waves and discuss their detectability by means of future ground-based and space-borne gravitational wave observatories.
