Methods of Theoretical Physics

JETP Letters

, Volume 95, Issue 11, pp 594-597

CPT, Lorentz invariance, mass differences, and charge non-conservation

  • A. D. DolgovAffiliated withNovosibirsk State UniversityInstitute for Theoretical and Experimental PhysicsDipartimento di Fisica, Università degli Studi di FerraraIstituto Nazionale di Fisica Nucleare, Sezione di Ferrara
  • , V. A. NovikovAffiliated withNovosibirsk State UniversityInstitute for Theoretical and Experimental Physics

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Abstract

A non-local field theory that breaks discrete symmetries, including C, P, CP, and CPT, but preserves Lorentz symmetry, is presented. We demonstrate that at one-loop level the masses for particle and antiparticle remain equal due to Lorentz symmetry only. An inequality of masses implies breaking of the Lorentz invariance and non-conservation of the usually conserved charges.