Communications in Mathematical Physics

, Volume 268, Issue 3, pp 621–672 | Cite as

String-Localized Quantum Fields and Modular Localization

Article

Abstract

We study free, covariant, quantum (Bose) fields that are associated with irreducible representations of the Poincaré group and localized in semi-infinite strings extending to spacelike infinity. Among these are fields that generate the irreducible representations of mass zero and infinite spin that are known to be incompatible with point-like localized fields. For the massive representations and the massless representations of finite helicity, all string-localized free fields can be written as an integral, along the string, of point-localized tensor or spinor fields. As a special case we discuss the string-localized vector fields associated with the point-like electromagnetic field and their relation to the axial gauge condition in the usual setting.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.Departamento de Física, ICEUniversidade Federal de Juiz de ForaJuiz de ForaBrazil
  2. 2.CBPFRio de JaneiroBrazil
  3. 3.Institut für Theoretische PhysikFU-BerlinBerlinGermany
  4. 4.Erwin Schrödinger Institute for Mathematical PhysicsViennaAustria
  5. 5.Institut für Theoretische PhysikUniversität WienViennaAustria

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