Quantum non-locality and vacuum polarization

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
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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