Scalar Field Equations from Quantum Gravity during Inflation

Understand

We exploit a previous computation of the self-mass-squared from quantum gravity to include quantum corrections to the scalar evolution equation.

• The plane wave mode functions are shown to receive no significant one loop corrections at late times.
• This result probably applies as well to the inflaton of scalar-driven inflation.
• If so, there is no significant correction to the $\phi \phi$ correlator that plays a crucial role in computations of the power spectrum.