  It is proposed that if quantum states of space-time are coherent on null
surfaces, holographic Planck-scale fluctuations of inflationary horizons
dominate the formation of primordial scalar curvature perturbations. It is
shown that the reduction of quantum states on nearly-spherical emergent horizon
surfaces around each observer creates a distinctive pattern whose correlations
in the angular domain differ from the standard quantum theory of inflation.
Causal constraints are used in a semiclassical model to formulate candidate
directional symmetries. It is suggested that this hypothesis could provide a
physical explanation for several well known anomalies measured in CMB
anisotropy. New exact symmetries are predicted, such as a vanishing temperature
correlation function at 90 degrees angular separation, that can be tested with
current data.
