Spacetime-varying couplings and Lorentz violation

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https://doi.org/10.1103/PhysRevD.68.123511

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2003

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American Physical Society

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https://hdl.handle.net/2022/18688

Abstract

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.

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Kostelecký, V. A., Lehnert, R., & Perry, M. J. (2003). Spacetime-varying couplings and lorentz violation. Physical Review D, 68(12), 123511. http://dx.doi.org/10.1103/PhysRevD.68.123511.

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© 2003 American Physical Society.

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