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Spacetime - varying couplings and Lorentz violation

V.Alan Kostelecky
(
- Indiana U.
)
,
Ralf Lehnert
(
- Algarve U.
)
,
Malcolm J. Perry
(
- Cambridge U., DAMTP
)

Dec, 2002

4 pages

Published in:

Phys.Rev.D 68 (2003) 123511

e-Print:

astro-ph/0212003 [astro-ph]

DOI:

10.1103/PhysRevD.68.123511

Report number:

IUHET-452

View in:

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Abstract: (arXiv)

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.

11.30.Er
11.30.Cp
98.80.Cq
fundamental constant: time dependence
space dependence
violation: Lorentz
invariance: CPT
supergravity
numerical calculations: interpretation of experiments

References(67)

Figures(0)

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