What are the probabilities of multiverses?

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Discussion Overview

The discussion revolves around the concept of multiverses as related to quantum physics, exploring various interpretations and models, particularly the Many Worlds Interpretation. Participants express confusion about the topic and seek clarification on the associated probabilities and implications.

Discussion Character

  • Exploratory, Debate/contested, Conceptual clarification

Main Points Raised

  • Some participants note that quantum physics does not inherently assert the existence of infinite parallel universes, highlighting that this idea is linked to the Many Worlds Interpretation, which is one of several ontological models.
  • One participant suggests that much of the popular science discourse on quantum physics may be misleading, estimating that approximately 98% of such content could be incorrect, although they acknowledge this figure may be conservative.
  • A participant emphasizes that the question about multiverses is too broad for the forum and suggests that specific references or questions should be addressed in new threads.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the existence or implications of multiverses, with multiple competing views and interpretations presented. The discussion remains unresolved regarding the clarity and accuracy of popular representations of quantum physics.

Contextual Notes

Participants express uncertainty regarding the definitions and interpretations of quantum physics and multiverses, indicating that assumptions and context may be missing from the discussion.

Bibatshu Thapa
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I heard about quantum physics describing it but can anyone make it clear to me??
 
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Warning: Though an often used science fiction cliche Quantum Physics does NOT assert that there are infinite parallel universes. That is a reference to something called the Everett's Many Worlds Interpretation which is rather an ontological model (one of several). Note that by a parallel argument, we can model the predictions of Special Relativity by asserting that the observed phenomena are due to clocks slowing and distances shortening due to motion through an invisible aether. This does NOT mean SR asserts that such an aether exists and in fact a key aspect of SR is that it dispenses with this aether model.
 
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Bibatshu Thapa said:
I heard about quantum physics describing it but can anyone make it clear to me??
Approximately 98%(*) of everything you read about quantum physics in pop-sci presentations is wrong

* this number may be too low.
 
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Bibatshu Thapa said:
I heard about quantum physics describing it but can anyone make it clear to me??

This question is much too broad for a PF discussion. If you can find a specific reference (textbook or peer-reviewed paper) that talks about multiverses, and you have questions about what it says, you can start a new thread with a specific question of that sort.

In the meantime, this thread is closed.
 
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