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Lorentz violation and gravity

Published online by Cambridge University Press:  06 January 2010

Quentin G. Bailey
Quentin G. Bailey*
Affiliation:
Physics Department, Embry-Riddle Aeronautical University, 3700 Willow Creek Road, Prescott, AZ 86301, USA, email: baileyq@erau.edu
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Abstract

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In the last decade, a variety of high-precision experiments have searched for miniscule violations of Lorentz symmetry. These searches are largely motivated by the possibility of uncovering experimental signatures from a fundamental unified theory. Experimental results are reported in the framework called the Standard-Model Extension (SME), which describes general Lorentz violation for each particle species in terms of its coefficients for Lorentz violation. Recently, the role of gravitational experiments in probing the SME has been explored in the literature. In this talk, I will summarize theoretical and experimental aspects of these works. I will also discuss recent lunar laser ranging and atom interferometer experiments, which place stringent constraints on gravity coefficients for Lorentz violation.

Keywords

gravitationrelativity
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S261: Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Analysis , April 2009 , pp. 409 - 413
Copyright
Copyright © International Astronomical Union 2010

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