等级团簇与 BAO 特征
宇宙学与河外天体物理
2013-02-25 v2
摘要
在本文中,我们展示了关于宇宙密度场高阶统计中非线性 BAO 信号的初步结果。我们使用 N 体模拟系综表明,非线性演化改变了 BAO 信号的幅度,但对 BAO 特征的尺度影响可以忽略不计。后一观察伴随着 BAO 特征幅度在趋向高阶时大致翻倍这一事实,表明高阶关联幅度可用作 BAO 信号的探针。
引用
@article{arxiv.1302.5139,
title = {Hierarchical clustering and the BAO signature},
author = {Wojciech A. Hellwing and Roman Juszkiewicz and Rien van de Weygaert and Maciej Bilicki},
journal= {arXiv preprint arXiv:1302.5139},
year = {2013}
}
备注
3 pages, 1 figure, Proceedings of the 13th Marcel Grossman Meeting on General Relativity (Stockholm, Sweden, July 1 - 7, 2012), invited talk at the Parallel Session OC4 "New developments in the study of the large scale structure of the Universe"