1204.4409 (Ivan Agullo et al.)

Large non-Gaussian Halo Bias from Single Field Inflation    [PDF]

Ivan Agullo, Sarah Shandera

We calculate Large Scale Structure observables for non-Gaussianity arising from non-Bunch-Davies initial states in single field inflation. These scenarios can have substantial primordial non-Gaussianity from squeezed (but observable) momentum configurations. They generate a term in the halo bias that may be more strongly scale-dependent than the contribution from the local ansatz. We also discuss theoretical considerations required to generate an observable signature.

View original: http://arxiv.org/abs/1204.4409