Document Type

Article

Publication/Presentation Date

10-25-2011

Abstract/Description

Classical light-bending is investigated for weak gravitational fields in the presence of hypothetical local Lorentz violation. Using an effective field theory framework that describes general deviations from local Lorentz invariance, we derive a modified deflection angle for light passing near a massive body. The results include anisotropic effects not present for spherical sources in General Relativity as well as Weak Equivalence Principle violation. We develop an expression for the relative deflection of two distant stars that can be used to analyze data in past and future solar-system observations. The measurement sensitivities of such tests to coefficients for Lorentz violation are discussed.

Publication Title

Physical Review D

DOI

https://doi.org/10.1103/PhysRevD.84.085025

Required Publisher’s Statement

© 2011 American Physical Society. This article is also available from the publisher at https://doi.org/10.1103/PhysRevD.84.085025

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