WMAP9 and the single field models of inflation
  Using the latest release from WMAP, I find that for a reasonable number of
e-folds the tree-level potential with self coupling power p=3 is now excluded
from the 2-sigma region, the axion monodromy model with the power alpha=2/3 is
now excluded from the 1-sigma confidence region for N=47 e-folds and for N=61.
alpha=2/5 is also excluded from the 2-sigma region for N=61. I also find that
since the upper bound on the running has been reduced, a significant abundance
of PBHs requires fractional powers of self-coupling in the Hilltop-type model.
