非平坦宇宙中带宇宙常数球对称扰动的非线性演化
天体物理学
2007-05-23 v2
摘要
我们推广了形成束缚天体的球对称坍塌模型，以适用于具有任意正值宇宙常数的宇宙。我们计算了超密区坍塌的临界条件，并给出其演化特征密度和红移的精确值。
引用
@article{arxiv.astro-ph/0108283,
title = {Nonlinear evolution of spherical perturbation in a non-flat Universe with cosmological constant},
author = {Ewa L. Lokas and Yehuda Hoffman},
journal= {arXiv preprint arXiv:astro-ph/0108283},
year = {2007}
}
备注
7 pages, 5 figures, results for quintessence removed (as obtained with an unjustified assumption of the conservation of energy inside the overdense region)