On Aug 13, 2011, at 11:33 AM, art wagner wrote:
OPI - http://xxx.lanl.gov/abs/1103.3441
"The possibilities of the particle and the event horizons as the IR cutoff length were subsequently discussed by Li[16], who found that apparently only a future event horizon cutoff can give a viable DE model."'
[16] M. Li, Phys. Lett. B 603, 1 (2004).
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That's what I have been saying! I never read Li.
However: "All models with a future-event-horizon cutoff suffer from the drawback that, although they may fit the data, they cannot reproduce an early matter dominated epoch."