Collapse Models of Quantum Mechanics

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SUMMARY

The discussion centers on the potential modifications to Quantum Mechanics (QM) to incorporate physical collapse, suggesting that such changes would necessitate a revision of the Schrödinger equation. Participants explore the implications of these modifications, particularly in terms of experimental predictions that differ from standard QM. Key points include the need for new theories to reconcile with existing experimental results while potentially offering different predictions in untested areas, especially at the macroscopic scale. The conversation also touches on the concept of hidden variables within these new frameworks, indicating a nuanced understanding of quantum phenomena.

PREREQUISITES
  • Understanding of Quantum Mechanics principles
  • Familiarity with the Schrödinger equation
  • Knowledge of experimental verification in physics
  • Concept of hidden variables in quantum theory
NEXT STEPS
  • Research modifications to the Schrödinger equation in collapse models
  • Explore experimental tests differentiating QM from collapse theories
  • Investigate macroscopic implications of quantum collapse theories
  • Study the role of hidden variables in quantum mechanics
USEFUL FOR

Physicists, quantum theorists, and students interested in advanced concepts of Quantum Mechanics and the implications of collapse models on existing theories.

StevieTNZ
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I'm guessing if Quantum Mechanics get modified to allow for physical collapse, the Schrödinger equation is modified. But whatever has already verified Quantum Mechanics thus far, the new theory needs to account for those results but, I would assume, make different predictions in other areas that haven't been tested, in comparison to QM.

What would one example of where QM and the new theories would disagree (apart from the latter including collapse)?

Is the experimental difference between the two inclined to be in the macroscopic scale? Or are there processes in the microscopic world that haven't been tested, where QM and new collapse theories would offer different predictions?

EDIT: I dare say that if QM and the other theories give the same predictions where experimentally verification has been seen, then technically one could allow hidden variables to exist in the new theory. Even if there is no definite prediction for which state actualises in new theories, you could possibly allow one to have hidden variables choosing that result - as is the case in addition to standard QM.
 
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