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- W2114090319 abstract "We study the possibility that dark energy decays in the future and the universe stops accelerating. The fact that the cosmological observations prefer an equation of state of dark energy smaller than $ensuremath{-}1$ can be a signal that dark energy will decay in the future. This conclusion is based in interpreting a $wlensuremath{-}1$ as a signal of dark energy interaction with another fluid. We determine the interaction through the cosmological data and extrapolate it into the future. The resulting energy density for dark energy becomes ${ensuremath{rho}}_{ensuremath{phi}}={ensuremath{rho}}_{ensuremath{phi}o}{a}^{ensuremath{-}3(1+{w}_{ensuremath{phi}})}{e}^{ensuremath{-}ensuremath{beta}(aensuremath{-}1)}$, i.e. it has an exponential suppression for $aensuremath{gg}{a}_{o}=1$. In this scenario the universe ends up dominated by this other fluid, which could be matter, and the universe stops accelerating at some time in the near future." @default.
- W2114090319 created "2016-06-24" @default.
- W2114090319 creator A5036122402 @default.
- W2114090319 date "2007-07-24" @default.
- W2114090319 modified "2023-10-03" @default.
- W2114090319 title "Fate of the universe: Dark energy dilution?" @default.
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- W2114090319 doi "https://doi.org/10.1103/physrevd.76.027301" @default.
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