利用 Einstein 环进行宇宙剪切
数学物理
2025-04-14 v2 动力系统
math.MP
概率论
摘要
宇宙剪切是现代宇宙学的关键探测工具。其挑战之一是形状噪声和固有错位， 两者都源于我们对无偏振源星系的未知形状。我在此论文中论证， Einstein 环可作为标准形状来测量其视线上的外部剪切。在欧几里得时代， 这种新可观测量预计将成为大规模结构的竞争性和互补探测工具。
关键词
引用
@article{arxiv.2405.10236,
title = {A systematic path to non-Markovian dynamics II: Probabilistic response of nonlinear multidimensional systems to Gaussian colored noise excitation},
author = {Gerassimos A. Athanassoulis and Nikolaos P. Nikoletatos-Kekatos and Konstantinos Mamis},
journal= {arXiv preprint arXiv:2405.10236},
year = {2025}
}
备注
Main paper: 37 pages, 9 figures, 2 appendices, 95 references Supplementary material: 6 pages, 3 figures, 4 references In this revision, some typos have been corrected and fixed issues in the references. In Sec. 6, the discussion of the numerical findings has been expanded. Sec. 7 has been rewritten to provide a critical assessment of the paper