There is Hawking radiation associated with black hole event horizons. And there is Unruh radiation associated with horizons produced by acceleration. I've also heard some suggest that there is radiation associated with the cosmological event horizon due to space itself accelerating in its expansion.(adsbygoogle = window.adsbygoogle || []).push({});

My question is would the radiation produced by the cosmological event horizon be equal to the energy of the cosmological constant? It would seem intuitively so, since each point in space is on the cosmological event horizon of some other point in space. If so, is this coincidence? Or is there some necessary relation between the CC and the acceleration of expansion such that it will produce an event horizon with the right area to produce the same radiation energy as the cosmological constant? Thanks.

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# A The CC and cosmological event horizon radiation

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