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Review
. 2005;8(1):5.
doi: 10.12942/lrr-2005-5. Epub 2005 Sep 7.

Modern Tests of Lorentz Invariance

Affiliations
Review

Modern Tests of Lorentz Invariance

David Mattingly. Living Rev Relativ. 2005.

Abstract

Motivated by ideas about quantum gravity, a tremendous amount of effort over the past decade has gone into testing Lorentz invariance in various regimes. This review summarizes both the theoretical frameworks for tests of Lorentz invariance and experimental advances that have made new high precision tests possible. The current constraints on Lorentz violating effects from both terrestrial experiments and astrophysical observations are presented.

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Figures

Figure 1
Figure 1
Elements involved in threshold constraints.
Figure 2
Figure 2
Total outgoing particle energy in symmetric and asymmetric configurations.
Figure 3
Figure 3
An example of an upper and lower threshold. R is the region spanned by all Xk and E1(p1) is the energy of the incoming particle. Where E1(p1) enters and leaves R are lower and upper thresholds, respectively.
Figure 4
Figure 4
Constraints on LV in QED at n = 3 on a log-log plot. For negative parameters minus the logarithm of the absolute value is plotted, and region of width 10−10 is excised around each axis. The constraints in solid lines apply to ξ and both η±, and are symmetric about both the ξ and the η axis. At least one of the two pairs (η±,ξ) must lie within the union of the dashed bell-shaped region and its reflection about the ξ axis. Intersecting lines are truncated where they cross.

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