Is dark energy from cosmic Hawking radiation?

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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8 pages, 2 figs, revtex, accepted for publication in Modern physics letters

Scientific paper

10.1142/S0217732310032469

It is suggested that dark energy is the energy of the Hawking radiation from
a cosmic horizon. Despite of its extremely low Gibbons-Hawking temperature,
this radiation could have the appropriate magnitude $O(M_P^2 H^2)$ and the
equation of state to explain the observed cosmological data if there is a
Planck scale UV-cutoff, where $H$ is the Hubble parameter.

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