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Fundamental aspects of quantum theory


  • Complementarity
    • Interference of massive particles
    • Which-way experiments
      • Which-way information and Heisenberg's uncertainty relation
      • Which-way information without uncertainty relation
      • Ramsey interferometer
      • Which-way information and fringe contrast
      • Quantum eraser
    • Two-particle interference
      • Complementarity of one- and two-particle interference
      • Two applications
    • Remarks on the wave-particle dualism of light
      • Photo effect
      • Energy fluctuations
      • Subpoissonian light
  • Nonlocality
    • Einstein-Podolsky-Rosen paradox
    • Bell's inequality
    • Experiments on Bell's inequality
      • Experiment by Aspect et al.
      • Innsbruck experiment
      • Geneva experiment
    • Greenberger-Horne-Zeilinger states
  • Decoherence
    • Superposition of states
    • Master equation
    • Master equation for the damped harmonic oscillator
    • Decoherence for the damped harmonic oscillator
    • Observation of decoherence