论文标题
标准宇宙学和非热暗物质的预测性的标量过多
Scalar overproduction in standard cosmology and predictivity of non-thermal dark matter
论文作者
论文摘要
即使它们与其他领域没有耦合，也可以在早期的宇宙中大量生产稳定的标量。我们研究（高尺度）通胀期间和之后的标量生产，并在其质量尺度上获得强大的限制。量子重力引起的planck抑制的操作员对深色文物的丰富性产生了重要影响。除非相应的威尔逊系数很小，否则通常会导致黑暗状态生产过多。在没有量子重力理论的情况下，这种影响是无法控制的，这使许多非热暗物质模型的预测性质疑。这些考虑因素可能对弦理论构造具有非平凡的含义，在弦理论构造中很丰富。
Stable scalars can be copiously produced in the Early Universe even if they have no coupling to other fields. We study production of such scalars during and after (high scale) inflation, and obtain strong constraints on their mass scale. Quantum gravity-induced Planck-suppressed operators make an important impact on the abundance of dark relics. Unless the corresponding Wilson coefficients are very small, they normally lead to overproduction of dark states. In the absence of a quantum gravity theory, such effects are uncontrollable, bringing into question predictivity of many non-thermal dark matter models. These considerations may have non-trivial implications for string theory constructions, where scalar fields are abundant.
