Quantum non-locality and vacuum polarization

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Discussion Overview

The discussion revolves around the relationship between quantum non-locality and vacuum polarization, particularly focusing on the role of virtual particles. Participants explore the implications of quantum mechanics, entanglement, and the nature of the vacuum in this context.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants assert that quantum particles are not localized before observation, referencing experiments like the Young double slit and entangled particles.
  • Others challenge the characterization of virtual particles, suggesting that common understandings may be based on misconceptions and that the vacuum is not filled with them.
  • A participant expresses a desire to understand the connection between quantum non-locality and virtual particles, questioning whether they are related or unrelated.
  • Another participant states that vacuum polarization is due to virtual particles, but also claims that virtual particles do not exist, asserting that quantum non-locality and virtual particles are unrelated.
  • One participant emphasizes that quantum non-locality is specifically related to entanglement, which they argue is distinct from the concept of virtual particles.

Areas of Agreement / Disagreement

Participants express differing views on the existence and role of virtual particles, with some asserting they do not exist while others reference their implications in vacuum polarization. There is no consensus on the relationship between quantum non-locality and virtual particles.

Contextual Notes

Participants highlight the need for careful consideration of definitions and assumptions regarding virtual particles and their connection to quantum phenomena. The discussion reflects ongoing debates in the interpretation of quantum mechanics.

mbond
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Quantum particles are not localized before they are observed, as shown with the Young double slit experiments and those with entangled particles.
On the other side, vacuum is filled with virtual particles.
Are the non-localized particles responsible for the virtual particles? or only for a part of them? or have nothing to with them?
 
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Search this forum for some of our many threads about virtual particles. They aren't what you've been told they are by many non-serious popularizations and the vacuum is not filled with them.
 
Nugatory said:
Search this forum for some of our many threads about virtual particles. They aren't what you've been told they are by many non-serious popularizations and the vacuum is not filled with them.

I mean, one has vacuum polarization, due to the virtual particles.

I am trying to understand whether quantum non-locality and virtual particles are connected or are unrelated.
 
mbond said:
I mean, one has vacuum polarization, due to the virtual particles.

Virtual particles do not exist. There are many threads discussing this - another one is not required.

So the answer to your question is - no - they are unrelated since your premise is wrong - ie virtual particles do not exist.

Thanks
Bill
 
mbond said:
I am trying to understand whether quantum non-locality and virtual particles are connected or are unrelated.
They are unrelated. Quantum non-locality is related to entanglement, which virtual particles are not.
On some myths about entanglement, non-locality, virtual particles and many other things see
http://lanl.arxiv.org/abs/quant-ph/0609163
 

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