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Breaking of CPT and Lorentz symmetries

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Abstract

CPT symmetry rests on very solid foundations of quantum field theory: Lorentz symmetry, correspondence of spin and statistics, and locality. I describe how violation of CPT and Lorentz symmetries may result from new infrared degrees of freedom, which also lead to the change of coupling constants in time and new long-range interactions. I motivate the effective field theory description of CPT violation, and determine its magnitude suggested by the observable size of the matter–antimatter asymmetry.

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  1. Physics and Astronomy Department, University of Victoria, Elliott Building, 3800 Finnerty Rd, Victoria, BC, Canada, V8P 5C2

    Maxim Pospelov

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  1. Maxim Pospelov
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Correspondence to Maxim Pospelov.

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Pospelov, M. Breaking of CPT and Lorentz symmetries. Hyperfine Interact 172, 63–70 (2006). https://doi.org/10.1007/s10751-007-9526-3

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  • DOI: https://doi.org/10.1007/s10751-007-9526-3

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