What Determines the Observer Effect in Quantum Physics?

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  • Thread starter Thread starter J.W. Coleman
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Discussion Overview

The discussion centers on the observer effect in quantum physics, particularly regarding the factors that determine how an electron's location and state are influenced by observation. Participants explore the implications of observation, the nature of superposition, and the role of consciousness versus physical interactions in measurement.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions what constitutes an observer in quantum mechanics, suggesting possibilities such as human consciousness, photons, or matter interactions.
  • Another participant clarifies that observation does not require consciousness and can occur through any interaction that determines a particle's location.
  • A subsequent post expresses gratitude for the clarification provided regarding the nature of observation.
  • A further inquiry is made about the conditions under which an electron might not be interacted with, questioning the relevance of the observer effect if such conditions do not exist.

Areas of Agreement / Disagreement

Participants appear to agree on the notion that observation can occur through various forms of interaction, but the discussion raises questions about the nature and implications of these interactions, indicating that multiple views remain on the relevance and conditions of observation.

Contextual Notes

The discussion does not resolve the assumptions regarding the nature of observation or the existence of unobserved states for electrons, leaving these points open for further exploration.

J.W. Coleman
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To begin, I am an avid physics enthusiast and after reading countless books, there are a few questions that pester me in reference to the probability of an electrons location and the 'observer' which changes the electrons location or speed.

I understand that if you observe the electron, you cannot get an accurate reading, and that if you look at the electron, because it is in a super-position state and is merely a probability, its history does not exist until it is observed.

What then, is doing the observing? Is it human consciousness, photons, or simple matter interactions? Could anyone please explain this to me as simply as possible?
 
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Observation does not have to be conscious; it is any form of interaction where the particle's location will be determined. So, any or all of the 'whats' you mention will do.
 
That's what I thought, thank you very much!
 
With that solved, however, in what instance is an electron not being interacted with, or is there ever a situation in which this occurs?

If it is the case in which the situation never occurs, then why is this relevant?
 

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