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Looking at blogs about the 2-5-15 Planck data release, I noticed a couple of them claiming that it rules out some of the simplest models of inflation, including one called "phi squared inflation". I can't read the specialized characters in physics notations, but I'm figuring this is the same as "curvature squared inflation". Could someone do me the favor of verifying this, and telling me whether either of them is a version of "new" (AKA "slow roll") inflation or a version of "chaotic" inflation? This would help me keep a layman's grip on the subject, in view of the fact that a February 9th paper endorsed by the Planck organization itself states that the latest data IS compatible with "simple inflationary models". Thanks.