Volume 135, Number 4, August 2021
|Number of page(s)||7|
|Section||The Physics of Elementary Particles and Fields|
|Published online||22 October 2021|
Future tests of relativity, with cosmic rays or in the lab
Department of Physics and Astronomy, University of South Carolina -Columbia, SC 29208, USA
Received: 3 September 2021
Accepted: 11 October 2021
Experimental tests of Lorentz violation are important to our understanding of fundamental physics, and interest in them has picked up a great deal in the twenty-first century. For some of the most natural forms of Lorentz violation involving electrons and positrons, there are competing bounds coming from high-energy astrophysical observations and laboratory tests with optical atomic clocks. I discuss the advantages and limitations of both these approaches and how they may evolve in the future.
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