Why does observing an electron prevent it from entering a superposition?

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SUMMARY

The discussion centers on the double slit experiment in quantum mechanics (QM) and the phenomenon of superposition. When an electron is observed, it collapses from a superposition of states into a definite state, resulting in the absence of an interference pattern. The confusion arises from the distinction between observation and background electromagnetic (EM) radiation, which also interacts with electrons but does not necessarily lead to the same collapse of superposition. Participants are encouraged to explore various interpretations of quantum mechanics for deeper understanding.

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  • Understanding of quantum mechanics principles, specifically superposition and wave-particle duality.
  • Familiarity with the double slit experiment and its implications in QM.
  • Knowledge of quantum observation and its effects on particle behavior.
  • Basic concepts of electromagnetic radiation and its interaction with particles.
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  • Research the Copenhagen interpretation of quantum mechanics.
  • Explore the Many-Worlds interpretation and its implications for superposition.
  • Study the role of measurement in quantum mechanics and its effect on wave function collapse.
  • Investigate the effects of background electromagnetic radiation on quantum particles.
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Students of quantum mechanics, physicists interested in foundational theories, and anyone seeking to understand the complexities of quantum observation and superposition.

melkorthefoul
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Hi guys,

Quick question. Just started QM in class, and we discussed the double slit experiment. I am just a bit confused here. From what I understand, if just one electron is shot at the slits, it enters a superposition of states based on probabilities, and interferes with itself, resulting in an interference pattern on the screen (Stop me if I go wrong anywhere). However, if the electron is observed, then it cannot enter a superposition of states, and no interference pattern is formed. Why is this so? If it is because observing the electron (hitting it with a photon) disturbs it, then shouldn't background EM radiation do the same thing?

As I said, confused. Help me out?
 
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melkorthefoul said:
Hi guys,

Quick question. Just started QM in class, and we discussed the double slit experiment. I am just a bit confused here. From what I understand, if just one electron is shot at the slits, it enters a superposition of states based on probabilities, and interferes with itself, resulting in an interference pattern on the screen (Stop me if I go wrong anywhere). However, if the electron is observed, then it cannot enter a superposition of states, and no interference pattern is formed. Why is this so? If it is because observing the electron (hitting it with a photon) disturbs it, then shouldn't background EM radiation do the same thing?

As I said, confused. Help me out?



Nobody truly understands the double slit experiment and you are not going to get help on this issue here. If you want somebody's personal bias towards a perspective solution, that'd be another thing.

Read up on the interpretations of qm, as they attempt to provide a picture of what could be going on.
 

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