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In the 3 main aspects of quantum physics (ie, relational, indeterminate, granular), Rovelli describes granularity as things being discrete and finite. Can I interpret this to mean that although things/interactions are not predictable, their probability distributions are deterministic? If yes, does this granularity integrally linked to entanglement and non-locality ultimately? If possible outcomes are finite however large, assuming we are all experiencing the same single (not many) universe (ie, drawing from the same boxful of balls with finite number of colors), would first-second person entanglement and subsequent third person triangulation result in complete interconnectivity at some point in time–which would in turn point to non-locality. Appreciate any insights.
Hi again,
As you correctly wrote, events on a quantum scale are not predictable. Outcomes of quantum processes are not completely pre-determined by the laws of physics. However, the evolution of their probability distribution is: that’s exactly what Schroedinger’s equation does. This is unrelated to the question of granularity and whether space-time is continuous or granular.
Regarding granularity: I believe that Rovelli talks about granularity in the context of space-time, which in his theory of quantum gravity is not continuous but discreet. So, granularity is not a property of “things” but of space-time itself.
I’m not exactly sure how this property relates to entanglement and non-locality; if you’re interested in this topic, I’d recommend this Scientific American article: https://www.scientificamerican.com/article/spacetime-is-not-necessarily-continuous/
Hope this helps!
Marco
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