What is the Worldline of a Quantum Particle Before and After State Reduction?

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SUMMARY

The discussion centers on the concept of a quantum particle's worldline in the context of General Relativity (GR) and state reduction as per the Born rule. Participants assert that GR is a classical theory and that quantum particles cannot be accurately represented with worldlines, particularly illustrated by the double-slit experiment where particles exhibit wave-like behavior. The consensus is that the original question posed is fundamentally flawed and cannot be answered within the frameworks of GR or quantum mechanics.

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  • Understanding of General Relativity (GR)
  • Familiarity with quantum mechanics principles
  • Knowledge of the Born rule in quantum theory
  • Concept of wave-particle duality, particularly in the context of the double-slit experiment
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  • Research the implications of the Born rule in quantum mechanics
  • Explore the differences between classical and quantum theories of physics
  • Study the double-slit experiment and its significance in demonstrating wave-particle duality
  • Investigate the limitations of applying classical concepts like worldlines to quantum phenomena
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Physicists, students of quantum mechanics, and anyone interested in the intersection of quantum theory and classical physics, particularly in understanding the limitations of classical interpretations in quantum contexts.

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In GR. What's the worldline of a quantum particle before and after it undergoes state reduction (before and after Born rule applied)?
 
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GR is a classical theory. I'm not sure there's a good answer to your question, and I'm rather doubtful that a quantum particle can be represented as having a worldline at all. Consider the double-slit experiment, for example. A worldline would go through only one slit, the quantum particle goes through both.
 
Pervect is correct, GR is a classical theory, not a quantum theory, and quantum particles do not have worldlines. That means the OP question is not well posed and cannot be answered.

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