On the Relation Between Momentum and Velocity for Elementary Systems

  • R. F. O’Connell
  • E. P. Wigner
Part of the The Scientific Papers book series (WIGNER, volume A / 3)


We investigate how the quantum mechanical position operator can be defined for elementary systc,ns so that the connection, postulated by the special theory of relatively, between velocity (the time derivative of the position) and momentum remains valid.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • R. F. O’Connell
  • E. P. Wigner
    • 1
  1. 1.Department of Physics, Joseph Henry LaboratoriesPrinceton UniversityPrincetonUSA

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