Correlating CMB Spectral Distortions with Temperature: what do we learn
  on Inflation?
  Probing correlations among short and long-wavelength cosmological
fluctuations is known to be decisive for deepening the current understanding of
inflation at the microphysical level. Spectral distortions of the CMB can be
caused by dissipation of cosmological perturbations when they re-enter Hubble
after inflation. Correlating spectral distortions with temperature anisotropies
will thus provide the opportunity to greatly enlarge the range of scales over
which squeezed limits can be tested, opening up a new window on inflation
complementing the ones currently probed with CMB and LSS. In this paper we
discuss a variety of inflationary mechanisms that can be efficiently
constrained with distortion-temperature correlations. For some of these
realizations (representative of large classes of models) we derive quantitative
predictions for the squeezed limit bispectra, finding that their amplitudes are
above the sensitivity limits of an experiment such as the proposed PIXIE.
