Spacetime-varying couplings and Lorentz violation

Spacetime-varying coupling constants can be associated with violations of local Lorentz invariance and CPT symmetry. An analytical supergravity cosmology with a time-varying fine-structure constant provides an explicit example. Estimates are made for some experimental constraints.

Bibliographic Details
Main Author: Kostelecky, V. Alan (author)
Other Authors: Lehnert, Ralf (author), Perry, Malcom J. (author)
Format: article
Language:eng
Published: 2018
Subjects:
Higher dimensional theories
Fine structure constant
Cpt violation
Fundamental constants
Time variation
Testing cpt
Strings
Invariance
System
Electrodynamics
Online Access:http://hdl.handle.net/10400.1/11255
Country:Portugal
Oai:oai:sapientia.ualg.pt:10400.1/11255

Internet

http://hdl.handle.net/10400.1/11255

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