Reply To: A Relativistic Symmetrical Interpretation of the Dirac Equation in (1+1) D (online 7/9 @ 11pm UTC-7)

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#2625
Ken WhartonKen Wharton
Member

Hi Michael; Thanks for your response, but I’m not sure how to interpret a probability for an experiment after it already has a known outcome.

Let me ask it this way. Suppose the experiment is *complete*, in that I know the precise outcome, and I’m looking back on the whole transaction and doing my best to describe what really happened. At this point, presumably, my description would not be probabilistic, right? So if (phi* psi) is the description of what just happened, why call this a probability density?

The other part of the question is that if (phi* psi) is the best description of reality, and the only way to determine what that product looks like is to separately calculate psi and phi, then why wouldn’t you go so far as to say that “phi and psi are both real” between the measurements? That would put you squarely in Aharonov’s take on the two-state-vector formalism, I would think.

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