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B What’s the difference between TIQM and Time Symmetric QM? (a

  1. Mar 15, 2017 #1
    I have a few questions about interpretations that use retrocausality. I only know of 2.

    1. TIQM - Transactional Interpretation of QM by John Cramer 1986
    https://en.wikipedia.org/wiki/Transactional_interpretation
    2. TSQM - Time Symmetric QM by Huw Price
    https://aeon.co/essays/can-retrocausality-solve-the-puzzle-of-action-at-a-distance

    I have my own ideas of how these might work. But I’m still trying to figure this out. I’m hoping y’all can help me take a shortcut. So I have a few questions:

    1. I assume TIQM and TSQM are similar in that they both use retrocausality. Am I assuming too much?
    2. What’s the main difference between TIQM and TSQM?
    3. Are there any other interpretations with retrocausality?
     
  2. jcsd
  3. Mar 16, 2017 #2

    RUTA

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    Science Advisor

    Here is a PF Insight I wrote on retrocausality https://www.physicsforums.com/insights/retrocausality/ . There are some other programs referenced therein.
     
  4. Mar 17, 2017 #3

    Zafa Pi

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    Gold Member

    Without really understand either, I see that TSQM claims to be local, whereas TIQM claims non local.
     
  5. Mar 17, 2017 #4

    stevendaryl

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    There is a sometime poster in PhysicsForums, @rkastner, who has written several posts about TI. I don't think that the two (TIQM and TSQM) are the same, even though they exploit a similar loophole in explaining the mysteries of quantum mechanics.
     
  6. Mar 17, 2017 #5
    I'm still working my way through RUTA's insights article. Looks like no shortcuts for me. I'll add @rkastner to my reading list. Thanks!
     
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