A direct hydrodynamical approach to the evolution of the density correlations in an expanding flat Friedmann universe

DOI10.1007/BF00648948zbMath0483.76050MaRDI QIDQ1163436

E. Nowotny

Publication date: 1981

Published in: Astrophysics and Space Science (Search for Journal in Brave)

zbMATH Keywords

Newtonian approximationhigher-order correlationsexpanding flat Friedmann universeinfinite hierarchy of linear equationsJeans' instabilitypure self-gravitating gastwo-point density correlation functionwave-like third order equation

Mathematics Subject Classification ID

Compressible fluids and gas dynamics (76N99) Quantum hydrodynamics and relativistic hydrodynamics (76Y05) Hydrodynamic and hydromagnetic problems in astronomy and astrophysics (85A30) Stability and instability of geophysical and astrophysical flows (76E20) Astrophysical cosmology (85A40) Axiomatics, foundations (70A05)

Cites Work

• The gravitational instability of an infinite homogeneous turbulent medium