What are the key misconceptions about quantum mechanics interpretations?

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SUMMARY

The discussion clarifies key misconceptions about quantum mechanics (QM) interpretations, emphasizing that multiple interpretations exist without violating QM principles. It confirms that while some interpretations involve wave collapse, they do not imply instantaneous action at a distance. The conversation highlights that entanglement, predicted by QM, is applicable in encrypted communication but does not enable faster-than-light communication. Additionally, the EPR paradox has been resolved without endorsing instant action at a distance, and alternatives to this concept often compromise classical realism.

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  • Understanding of quantum mechanics principles
  • Familiarity with the EPR paradox
  • Knowledge of quantum entanglement
  • Awareness of classical realism concepts
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  • Research various interpretations of quantum mechanics, such as the Copenhagen interpretation and many-worlds interpretation
  • Explore the implications of quantum entanglement in secure communication technologies
  • Study the resolution of the EPR paradox and its impact on quantum theory
  • Investigate the relationship between quantum mechanics and classical realism
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Physicists, quantum mechanics students, and anyone interested in the philosophical implications of quantum interpretations and their applications in modern technology.

thenewmans
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Please tell me if these statements are correct.

There are several interpretations of the QM theory that do not violate QM. They each may use different formulas or methods but the results all match QM.

Although some interpretations include a wave collapse, this does not necessarily mean that something actually does happen instantaneously across a distance. There are other interpretations that do not include instantaneous action at a distance.

That goes for super position and observation causing collapse as well. There are some interpretations that do not include these things yet still agree with QM.

Entanglement was accurately predicted by QM. It is used today for encrypted communication. Yet it cannot be used for faster-than-light communication.

The EPR paradox paper has been successfully argued and the paradox has been resolved. This does not mean that there actually is instant action at a distance.

So far all alternatives to instant action at a distance also break some part of classical realism. Instant action at a distance breaks local realism. The most common alternative is for the effect to travel back in time, which breaks causality.
 
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thenewmans said:
There are several interpretations of the QM theory that do not violate QM. They each may use different formulas or methods but the results all match QM.
There are several interpretations. If they violated QM then they would be nonstarters as an interpretation of QM. I don't think any of them necessarily use different formulas or methods.

Although some interpretations include a wave collapse, this does not necessarily mean that something actually does happen instantaneously across a distance. There are other interpretations that do not include instantaneous action at a distance.
I would agree with the first sentence.

That goes for super position and observation causing collapse as well. There are some interpretations that do not include these things yet still agree with QM.
I don't know of any interpretation which suggests that superposition is a cause of collapse. Observation yes. I think that
all interpretations require collapse or some equivalent.

Entanglement was accurately predicted by QM. It is used today for encrypted communication. Yet it cannot be used for faster-than-light communication.
Yes to all but the last sentence.

The EPR paradox paper has been successfully argued and the paradox has been resolved. This does not mean that there actually is instant action at a distance.
Agreed.

So far all alternatives to instant action at a distance also break some part of classical realism. Instant action at a distance breaks local realism. The most common alternative is for the effect to travel back in time, which breaks causality.
Don't know.
 

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