Figure 6: Constraints from WMAP data on
inflation models with quadratic and quartic potentials,
where is the ratio of tensor to scalar amplitudes
and is the scalar
spectral index. The high energy (H.E.)
and low energy (L.E.) limits are shown, with intermediate energies
in between, and the 1-
and 2- contours are also shown. (Figure taken
from [203].)
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