Wave Function Collapse: Observers & Probability in Schrodinger's Cat Experiment

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Discussion Overview

The discussion revolves around the concept of wave function collapse in quantum mechanics, particularly in the context of Schrödinger's cat experiment. Participants explore the role of observers in determining the outcome of quantum states, the implications of observation in different environments, and the nature of probability in these scenarios.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants propose that in wave function collapse, the observer influences the outcome, questioning whether all observers in a large setting, like a stadium, would collapse the waveform in the same manner.
  • Others argue that quantum mechanics does not directly involve human brains, suggesting that any significant interaction with the system qualifies as an observer.
  • A participant expresses confusion regarding the previous claim, emphasizing that human cognition is inherently involved in the observation process.
  • It is noted that the outcome of the experiment is fundamentally a matter of probability, with some suggesting that a microscopic "cat" may not definitively be dead or alive until it interacts with an observer or another macroscopic object.

Areas of Agreement / Disagreement

Participants exhibit disagreement regarding the nature of observation and its implications for wave function collapse, with no consensus reached on whether human observers play a unique role compared to other interactions.

Contextual Notes

Participants have not fully resolved the implications of observer interactions, the definitions of "observer," and the conditions under which wave function collapse occurs.

leonstavros
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In wave function collapse the observer forces one of many states to occur such as Schrödinger's cat experiment but what if you have the experiment done in a the middle of a stadium would all observers collapse the waveform the same way?

If the answer is yes then I assume that the individual observer has no part in determining the result, either the cat is dead or alive and is a matter of probability
 
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Quantum mechanics has nothing to do with human brains (apart from some obscure interpretations - sorry). Anything which interacts with the system in a significant way is an observer.
 
mfb said:
Quantum mechanics has nothing to do with human brains (apart from some obscure interpretations - sorry). Anything which interacts with the system in a significant way is an observer.

That doesn't make sense to me since everything we do we use our brain.
 
It's a matter of probability.
 
leonstavros said:
In wave function collapse the observer forces one of many states to occur such as Schrödinger's cat experiment but what if you have the experiment done in a the middle of a stadium would all observers collapse the waveform the same way?

If the answer is yes then I assume that the individual observer has no part in determining the result, either the cat is dead or alive and is a matter of probability
The answer is yes, but a microscopic "cat" may not become either dead or alive before it interacts with the "observer" or any other macroscopic object with many degrees of freedom.
 

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