Foundations of Physics Letters

, Volume 1, Issue 2, pp 175–185

Symmetry breaking and measurement theory

  • G. T. Zimanyi
  • K. Vladar


For studying the problem of measurement we accept the statistical interpretation of quantum mechanics, but we take into account, that in a sequence of measurements, offdiagonal terms arise which cannot obviously be interpreted as the probability of a sequence of macroscopic events. We demonstrate, however, their vanishing for ordinary measurement processes by observing that the measurement apparatus undergoes a symmetry breaking transition during the measurement.

Key words

measurement theory symmetry breaking macroscopic limit 


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Copyright information

© Plenum Publishing Corporation 1988

Authors and Affiliations

  • G. T. Zimanyi
    • 1
  • K. Vladar
    • 2
  1. 1.Department of PhysicsState University of New York at Stony BrookNew YorkUSA
  2. 2.Central Research Institute for PhysicsBudapesstHungary

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