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arXiv · 0907.1319

CPT and Lorentz violation as signatures for Planck-scale physics

Ralf Lehnert
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Abstract

In recent years, the breakdown of spacetime symmetries has been identified as a promising research field in the context of Planck-scale phenomenology. For example, various theoretical approaches to the quantum-gravity problem are known to accommodate minute violations of CPT invariance. This talk covers various topics within this research area. In particular, some mechanisms for spacetime-symmetry breaking as well as the Standard-Model Extension (SME) test framework will be reviewed; the connection between CPT and Lorentz invariance in quantum field theory will be exposed; and various experimental CPT tests with emphasis on matter--antimatter comparisons will be discussed.

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Ralf Lehnert. 2009-07-08. CPT and Lorentz violation as signatures for Planck-scale physics. https://doi.org/10.1088/1742-6596/171/1/012036

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