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B Quantum gravity and worldlines

  1. Mar 11, 2017 #1
    [Mentor's note: moved frpm a different thread]

    I need to know something quick and don't want a new thread. The number one goal of quantum gravity is uniting them in a region where both occur (like in singularities). Another goal is quantum spacetime. I'd like to know if quantum gravity would enable us to know the worldliness of quantum particles. In classical general relativity. It doesn't do that. But then is it possible that in spite of a future full theory of quantum gravity. We still won't have worldliness of quantum particles? How do different QG programs handle this?
     
    Last edited by a moderator: Mar 12, 2017
  2. jcsd
  3. Mar 12, 2017 #2

    Nugatory

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    Staff: Mentor

    yes.
    I doubt that there is a satisfactory answer beyond the one you've already seen: https://www.physicsforums.com/threads/gr-worldlines-of-a-particle.907298/

    This thread is closed for the same reason as that one.
     
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