Effect of the cosmological constant on large-scale anisotropies in the microwave background

Details Effect of the cosmological constant on large-scale anisotropies in the microwave background Effect of the cosmological constant on large-scale anisotropies in the microwave background

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..643k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Sept. 1985, p. 643-651) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Sept.-O

Astronomy and Astrophysics

Astronomy

20

Anisotropy, Background Radiation, Big Bang Cosmology, Constants, Microwaves, Weak Interactions (Field Theory), Adiabatic Conditions, Particle Theory

Scientific paper

The large-scale anisotropy of the temperature of the relic electromagnetic radiation generated by adiabatic perturbations with flat initial spectrum in the flat Friedmann model with the cosmological constant is calculated. It is shown that the cosmological constant helps to overcome the difficulties of the model with cold weakly interacting particles. The estimated value of the quadrupole anisotropy in the cold particle model with cosmological constant is ΔT/T ≡ 10-5.

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