Is there slight evidence we live in block universe?

Wangf
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I think QMers may know something about this.
 
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you mean "block time" or multiverse?
 
i mean the one block universe, which means all "future things" are predetermined like a block. I think it derived from Albert Einstein's relativity.
 
The future is what you get when you apply the operator
Exp(-i H t/hbar) to the present state. So, given that the present state exists, the future also exists.
 
I believe SR (4D spacetime) is an argument for the blockworld
However only the existence of Closed Timelike Loops will be an ultimate proof
Finally exists <> predetermined (depending on single- or multi- history theories)
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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