Review Article

Ekpyrotic Nongaussianity: A Review

Table 1

Ekpyrotic conversion: the values of the nonlinearity parameters estimated by the formalism (using the instantaneous bending approximation) compared to the numerical results obtained by directly integrating the equations of motion, for potentials of the form .


10 10 41.67 2500 2315 39.95 2298 2591
10 15 41.67 2500 2315 40.45 2356 2813
10 20 41.67 2500 2315 40.62 2377 3030
15 10 93.75 12660 11720 91.01 11930 13100
15 15 93.75 12660 11720 92.11 12220 13830
15 20 93.75 12660 11720 92.49 12320 14440
20 10 166.7 40000 37040 162.5 38020 41320
20 15 166.7 40000 37040 164.4 38930 43170
20 20 166.7 40000 37040 165.1 39240 44490