Spacetime-varying couplings and Lorentz violation
classification
🌌 astro-ph
hep-ph
keywords
lorentzspacetime-varyinganalyticalassociatedconstantconstantsconstraintscosmology
read the original 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.
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