Spacetime-varying couplings and Lorentz violation

Kostelecky, V. Alan; Lehnert, Ralf; Perry, Malcom J.

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

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Autores

Kostelecky, V. Alan

Lehnert, Ralf

Perry, Malcom J.

Resumo(s)

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.

Palavras-chave

Higher dimensional theories Fine structure constant Cpt violation Fundamental constants Time variation Testing cpt Strings Invariance System Electrodynamics

URI

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

Editora

American Physical Society

DOI

10.1103/PhysRevD.68.123511

Coleções

FCT2-Artigos (em revistas ou actas indexadas)

Licença CC

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