Non-standard kinetic term as a natural source of non-Gaussianity

Details Non-standard kinetic term as a natural source of non-Gaussianity Non-standard kinetic term as a natural source of non-Gaussianity

2008-10-18

arxiv.org/abs/0810.3291v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

11pages, no figure, latex2e, added references, to appear in JHEP

Scientific paper

10.1088/1126-6708/2008/10/089

We consider reheating after inflation with a non-standard kinetic term. We
show that the difference in the kinetic term in different Hubble patches
inherited from the long-wavelength moduli inhomogeneities may generate a
significant level of non-Gaussianity after inflation.

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