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Setting Limits on Supersymmetry Using Simplified Models
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Published on: November 15, 2013

Prospects for large relativity violations in matter-gravity couplings.

V Alan Kostelecký1, Jay D Tasson

  • 1Physics Department, Indiana University, Bloomington, Indiana 47405, USA.

Physical Review Letters
|March 5, 2009
PubMed
Summary

This study explores potential violations of relativity, which are typically well-constrained. New laboratory tests using weak-gravity couplings could reveal previously unmeasured deviations in ordinary matter.

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Area of Science:

  • Fundamental Physics
  • Experimental Physics
  • Gravitational Physics

Background:

  • Numerous experiments have placed tight constraints on deviations from the theory of relativity.
  • A specific class of potential violations, linked to weak-gravity couplings, remains largely unmeasured.
  • These effects are challenging to test in laboratory settings.

Purpose of the Study:

  • To present a class of unmeasured violations of relativity.
  • To propose laboratory-based tests for these violations using weak-gravity couplings.
  • To estimate the sensitivities achievable with specialized, highly sensitive experiments.

Main Methods:

  • Theoretical analysis of potential deviations from relativity.
  • Identification of experimental strategies involving weak-gravity couplings.
  • Extraction of constraints from existing or proposed experimental data.

Main Results:

  • A constraint of 1x10^-11 GeV was derived for one combination of 12 possible effects in ordinary matter.
  • Estimates for attainable sensitivities in current and future experiments were provided.
  • The feasibility of laboratory tests for specific relativistic violations was demonstrated.

Conclusions:

  • Specialized, highly sensitive experiments are crucial for probing certain deviations from relativity.
  • Weak-gravity couplings offer a unique avenue for laboratory tests of fundamental physics.
  • This work provides a framework for future experimental investigations into the limits of relativity.