Spacetime-varying couplings and Lorentz violation
Astrophysics
2009-09-25 v1 High Energy Physics - Phenomenology
Abstract
Spacetime-varying coupling constants can be associated with violations of local Lorentz invariance and CPT symmetry. An analytical supergravity cosmology with time-varying fine-structure constant provides an explicit example. Estimates are made for some experimental constraints.
Cite
@article{arxiv.astro-ph/0212003,
title = {Spacetime-varying couplings and Lorentz violation},
author = {Alan Kostelecky and Ralf Lehnert and Malcolm Perry},
journal= {arXiv preprint arXiv:astro-ph/0212003},
year = {2009}
}
Comments
4 pages