Cosmological constant decaying with CMB temperature
نویسندگان
چکیده
منابع مشابه
Tunneling in Λ Decaying Cosmologies and the Cosmological Constant Problem
The tunneling rate, with exact prefactor, is calculated to first order in h̄ for an empty closed Friedmann-Robertson-Walker (FRW) universe with decaying cosmological term Λ ∼ R−m ( R is the scale factor and m is a parameter 0 ≤ m ≤ 2 ). This model is equivalent to a cosmology with the equation of state pχ = (m/3 − 1)ρχ. The calculations are performed by applying the diluteinstanton approximation...
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ژورنال
عنوان ژورنال: International Journal of Geometric Methods in Modern Physics
سال: 2019
ISSN: 0219-8878,1793-6977
DOI: 10.1142/s0219887819500889