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The Temperature of a Black Hole in a De-Sitter Space-Time

Ioannis Iraklis Haranas
Year: 2002 Pages: 5
Keywords: De-Sitter metric, cosmological constant, Hubble Constant, hardons quantum vaccum
A relation for the black-hole temperature in a De-Sitter type universe is determined in the first step of this paper. As a result of that, the upper and the lower temperature limits of the black hole are calculated, and then the limits of the radius of the universe containing the black hole. All these calculations are based upon the present values of the cosmological constant Λ. Further relations for the dependence of this temperature on Hubble?s constant and the gravitationsal energy of the hardons was also derived.