Light Bending and Gravitational Lensing as Tests of Lorentz Symmetry

Rhondale Tso; Quentin G. Bailey

doi:10.1142/9789814327688_0057

Light Bending and Gravitational Lensing as Tests of Lorentz Symmetry

Rhondale Tso, Quentin G. Bailey

Physics & Astronomy

Embry-Riddle Aeronautical University

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Einstein's famous prediction from General Relativity (GR) of the bending of distant starlight by the Sun was first verified in 1919 by Eddington and Dyson. With the onset of radio astronomy this deflection angle has been verified to better than 1% accuracy. Today, state of the art light-bending experiments and gravitational lensing observations are underway that can rigorously test this prediction. In light of recent and upcoming tests for deviations from GR we utilize the gravity sector of the Standard-Model Extension (SME) to derive a modified deflection angle that describes deviations from Lorentz symmetry. The model developed can be used as a framework for analysis in upcoming light-bending and lensing observations that are designed to detect deviations from General Relativity.

Original language	American English
Title of host publication	5th Meeting on CPT and Lorentz Symmetry
DOIs	https://doi.org/10.1142/9789814327688_0057
State	Published - Aug 2010

Keywords

general relativity
Lorentz symmetry

Disciplines

Cosmology, Relativity, and Gravity

Access to Document

10.1142/9789814327688_0057License: Unspecified

Cite this

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abstract = " Einstein's famous prediction from General Relativity (GR) of the bending of distant starlight by the Sun was first verified in 1919 by Eddington and Dyson. With the onset of radio astronomy this deflection angle has been verified to better than 1% accuracy. Today, state of the art light-bending experiments and gravitational lensing observations are underway that can rigorously test this prediction. In light of recent and upcoming tests for deviations from GR we utilize the gravity sector of the Standard-Model Extension (SME) to derive a modified deflection angle that describes deviations from Lorentz symmetry. The model developed can be used as a framework for analysis in upcoming light-bending and lensing observations that are designed to detect deviations from General Relativity.",

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AB - Einstein's famous prediction from General Relativity (GR) of the bending of distant starlight by the Sun was first verified in 1919 by Eddington and Dyson. With the onset of radio astronomy this deflection angle has been verified to better than 1% accuracy. Today, state of the art light-bending experiments and gravitational lensing observations are underway that can rigorously test this prediction. In light of recent and upcoming tests for deviations from GR we utilize the gravity sector of the Standard-Model Extension (SME) to derive a modified deflection angle that describes deviations from Lorentz symmetry. The model developed can be used as a framework for analysis in upcoming light-bending and lensing observations that are designed to detect deviations from General Relativity.

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