Space is discrete or continuous?

Philipsmett · Mar 24, 2019

According to QFT or Quantum Gravitation Theory space and time are discrete or continuous?

phinds · Mar 24, 2019

Philipsmett said:

According to QFT or Quantum Gravitation Theory space and time are discrete or continuous?

This has been discussed here ad nauseum. I suggest a forum search.

PeterDonis · Mar 24, 2019

Philipsmett said:

According to QFT or Quantum Gravitation Theory

Which one? They're not the same.

According to QFT spacetime is a continuous manifold, just like in classical GR, since QFT requires a classical spacetime manifold in order to be formulated.

We don't currently have an accepted "Quantum Gravitation Theory" so there is no way to answer your question for that case.

Space is discrete or continuous?

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Space is discrete or continuous?

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