Layperson's Question -- The wave function requires observation to collapse?

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SUMMARY

The discussion centers on the concept of wave function collapse in quantum mechanics, specifically questioning the necessity of an observer prior to the emergence of life. It is established that observation does not require a conscious entity for collapse to occur. The conversation highlights various interpretations of quantum mechanics, some of which do not involve a collapse at all. The moderator suggests that understanding these interpretations is crucial for grasping the complexities of wave function behavior.

PREREQUISITES
  • Basic understanding of quantum mechanics
  • Familiarity with the concept of wave function
  • Knowledge of quantum decoherence
  • Awareness of different interpretations of quantum mechanics
NEXT STEPS
  • Read "Where Does the Weirdness Go?" by David Lindley
  • Research quantum decoherence and its implications
  • Explore various interpretations of quantum mechanics, such as the Copenhagen interpretation and many-worlds theory
  • Investigate the philosophical implications of observation in quantum mechanics
USEFUL FOR

Students of physics, quantum mechanics enthusiasts, and anyone interested in the philosophical implications of observation in the context of quantum theory.

Se7enthSon
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TL;DR
If wave function requires observation to collapse, who or what may have been the observer during the billions of years before the emergence of life?
If wave function requires observation to collapse, who or what may have been the observer during the billions of years before the emergence of life?
 
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Answer: The observation does not require a conscious observer to have the collapse.
 
Moderator's note: Thread level changed to "I".
 
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It depends in the interpretation of quantum mechanics. In some interpretations there is not even a collapse.
 
Se7enthSon said:
TL;DR Summary: If wave function requires observation to collapse, who or what may have been the observer during the billions of years before the emergence of life?

If wave function requires observation to collapse, who or what may have been the observer during the billions of years before the emergence of life?
You might want to try David Lindley's layman-friendly book "Where does the weirdness go?". It won't quite answer your question, but it will explain more about how we think about wave function collapse these days.

You might also google for "quantum decoherence", but most of what you find will be less layman-friendly.
 

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