Therefore they see Rindler vacuum thermal photons with temperature, if we use the Lp cutoff
kBTUnruh ~ hc/\^1/4/d^1/2 ~ 10^-2710^10/(10^2810^-33)^1/2 ~ 10^-1710^3 ~ 10^-14 ergs ~ 10^-2ev
On the other hand, if we use the gravity radius of the electron Gm/c^2 ~ 10^-56 cm, we get
kBTUnruh ~ hc/\^1/4/d^1/2 ~ 10^-2710^10/(10^2810^-56)^1/2 ~ 10^-1710^14 ~ 10^-3 ergs ~ 10^9 ev >> 2mc^2 (electrons)
However, that seems to contradict normal ideas of quantum gravity that 10^-33 cm is the shortest physical distance.
What is the temperature of our future cosmic horizon?
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