Gravitational instability in an. cap omega. /sub 0/ = 1, four-component universe

Journal Article · Sun Dec 15 00:00:00 EST 1985 · Astrophys. J.; (United States)

DOI:https://doi.org/10.1086/163725· OSTI ID:5939560

Achilli, S; Occhionero, F; Scaramella, R

We evaluate numerically the linear adiabatic modes in an ..cap omega../sub 0/ = 1 universe containing, in addition to baryonic matter (BM) and radiation, two forms of dark matter, one cold and one hot (CDM and HDM); the latter is assumed to consist of light massive neutrinos. Thence we derive the evolution in time of the mass variance as a function of the parameters of interest, and we estimate which mass goes nonlinear and when.

• Research Organization: Istituto Astronomico, Universita di Roma I
• OSTI ID: 5939560
• Journal Information: Astrophys. J.; (United States), Vol. 299:2
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMOLOGICAL MODELS
NEUTRINOS
UNIVERSE
BARYONS
FUNDAMENTAL CONSTANTS
GALACTIC EVOLUTION
GRAVITATIONAL INSTABILITY
MASS
NUMERICAL ANALYSIS
RED SHIFT
ELEMENTARY PARTICLES
FERMIONS
HADRONS
INSTABILITY
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATHEMATICS
PLASMA INSTABILITY
640106* - Astrophysics & Cosmology- Cosmology