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.
Original language | English (US) |
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Pages (from-to) | 63-70 |
Number of pages | 8 |
Journal | Hyperfine Interactions |
Volume | 172 |
Issue number | 1-3 |
DOIs | |
State | Published - Sep 1 2006 |
Externally published | Yes |
Keywords
- Baryon asymmetry of the universe
- Lorentz and CPT violation
- New infrared physics