4 papers
Conformal Invariance and Cosmic Background Radiation
I. Antoniadis, P. O. Mazur, E. Mottola
The spectrum and statistics of the cosmic microwave background radiation (CMBR) are investigated under the hypothesis that scale invariance of the primordial density fluctuations s…
Criticality and Scaling in 4D Quantum Gravity
I. Antoniadis, P. O. Mazur, E. Mottola
We present a simple argument which determines the critical value of the anomaly coefficient in four dimensional conformal factor quantum gravity, at which a phase transition betwee…
Scaling behavior of quantum four-geometries
I. Antoniadis, P. O. Mazur, E. Mottola
We propose that large quantum fluctuations of the conformal factor drastically modify classical general relativity at cosmological distance scales, resulting in a scale invariant p…
Conformal Symmetry and Central Charges in 4 Dimensions
I. Antoniadis, P. O. Mazur, E. Mottola
The trace anomaly of matter in curved space generates an effective action for the conformal factor of the metric tensor in dimensions, analogous to the Polyakov action for $D…