具有预期大非高斯性的曲率场模型的原初黑洞约束
宇宙学与河外天体物理
2013-06-12 v1 高能物理 - 唯象学
摘要
我们考虑允许在小尺度上产生非高斯曲率扰动的早期宇宙场景。我们研究了与非高斯性相关的原初黑洞(PBHs)形成的特殊性。特别地,我们表明 PBH 对曲率扰动功率谱幅值的约束强烈依赖于扰动的形状,并且可能显著(两个数量级)偏离通常的高斯极限 。我们给出了曲率场模型特定情况下的 PBH 质量谱计算和 PBH 约束的示例。
引用
@article{arxiv.1303.3146,
title = {Primordial black hole constraints for curvaton models with predicted large non-Gaussianity},
author = {E. V. Bugaev and P. A. Klimai},
journal= {arXiv preprint arXiv:1303.3146},
year = {2013}
}
备注
The manuscript has some intersections with arxiv:1210.3262 but contains new ingredients and more precise conclusions; title is changed appropriately. Includes 13 pages, 4 figures. Accepted for publication in Int. J. Mod. Phys. D