Communications in Mathematical Physics

, Volume 9, Issue 4, pp 339–346 | Cite as

Quantum theory of gravitation and locality postulate

  • K. Kraus


A quantized space-time metricg ik (x) is investigated within a suitably modified axiomatic approach. Coordinate distancesdx are called absolutely space-like ifg ik (x)dx i dx k is negative definite. For such distances, fields are assumed to commute or anticommute, respectively (generalized locality). The quantum fluctuations of the light coneg ik (x)dx i dx k =0 are shown to extend to distancesdx which are space-like with respect to the Minkowski metric. Generalized locality is therefore weaker than the usual locality postulate.


Neural Network Statistical Physic Complex System Nonlinear Dynamics Quantum Theory 
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Copyright information

© Springer-Verlag 1968

Authors and Affiliations

  • K. Kraus
    • 1
  1. 1.Institut für Theoretische Physik der Universität MarburgGermany

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