ANISOTROPIC DARK ENERGY AND ELLIPSOIDAL UNIVERSE
2011 ◽
Vol 20
(06)
◽
pp. 1153-1166
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Keyword(s):
Type Ia
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A cosmological model with anisotropic dark energy is analyzed. The amount of deviation from isotropy of the equation of state of dark energy, the skewness δ, generates an anisotropization of the large-scale geometry of the Universe, quantifiable by means of the actual shear Σ0. Requiring that the level of cosmic anisotropization at the time of decoupling be such that we can solve the "quadrupole problem" of cosmic microwave background radiation, we find that |δ| ~ 10-4 and |Σ_0| ~10-5, compatible with existing limits derived from the magnitude redshift data on Type Ia supernovae.
2005 ◽
Vol 201
◽
pp. 65-70
1974 ◽
Vol 63
◽
pp. 157-162
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1983 ◽
Vol 104
◽
pp. 149-152
2005 ◽
Vol 20
(14)
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pp. 2931-2942
2005 ◽
Vol 14
(03n04)
◽
pp. 521-541
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2008 ◽
Vol 4
(T27A)
◽
pp. 283-285
1990 ◽
Vol 124
◽
pp. 645-649
2019 ◽
pp. 205-244