中文

用非线性微扰理论理解引力成团

天体物理学 2007-05-23 v1

摘要

我讨论了利用单圈微扰理论(PT)从高斯初始条件出发,由引力不稳定性导致的双谱演化的新结果。特别关注了从弱非线性尺度到小尺度非线性区域的转变。与数值模拟的比较被用来评估微扰方法的有效性范围。

关键词

引用

@article{arxiv.astro-ph/9702195,
  title  = {Understanding Gravitational Clustering with Non-Linear Perturbation Theory},
  author = {Roman Scoccimarro},
  journal= {arXiv preprint arXiv:astro-ph/9702195},
  year   = {2007}
}

备注

3 pages with 1 figure, uses sprocl.sty, to appear in the Proceedings of the 18th Texas Symposium on Relativistic Astrophysics, ed. A. Olinto, J. Frieman and D. Schramm (World Scientific, Singapore, 1997)