63 citations · 63 across the 1 of their papers we have counts for
2 papers
gr-qc2008★ 63 cited
Constraining Lorentz violation with cosmology
J. A. Zuntz, P. G. Ferreira, T. G. Zlosnik
The Einstein-Aether theory provides a simple, dynamical mechanism for breaking Lorentz invariance. It does so within a generally covariant context and may emerge from quantum effec…
hep-ph2003
Constraints on the Electrical Charge Asymmetry of the Universe
C. Caprini, P. G. Ferreira
We use the isotropy of the Cosmic Microwave Background to place stringent constraints on a possible electrical charge asymmetry of the universe. We find the excess charge per baryo…