English

Two body problem in presence of cosmological constant

General Relativity and Quantum Cosmology 2019-10-23 v1

Abstract

We consider the Kepler two-body problem in presence of the cosmological constant Λ\Lambda. Contrary to the classical case, where finite solutions exist for any angular momentum of the system LL, in presence of Λ\Lambda finite solutions exist only in the interval 0<L<Llim(Λ)0<L< L_{lim}(\Lambda). The qualitative picture of the two-body motion is described, and critical parameters of the problem are found. Application are made to the relative motion of the Local Group and Virgo cluster.

Keywords

Cite

@article{arxiv.1906.05861,
  title  = {Two body problem in presence of cosmological constant},
  author = {G. S. Bisnovatyi-Kogan and M. Merafina},
  journal= {arXiv preprint arXiv:1906.05861},
  year   = {2019}
}

Comments

15 pages, 3 figures