Relationships between the speed of light and the virtual particles

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Are there any relationships between the speed of light and the virtual particles in the vacuum?
I mean that, Can I call it as a medium of propagation of a light beam?
 

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  • #2
Dale
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Virtual particles are off shell, so their speed is not limited to c
 
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Virtual particles are off shell, so their speed is not limited to c
Please if you can explain it with more detail.
 
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Orodruin
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Can I call it as a medium of propagation of a light beam?
No.
 
  • #6
Dale
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Please if you can explain it with more detail.
I don’t think that I can and keep the thread at a B level. Your basic question was if there was any “relationships between the speed of light and the virtual particles”. The simple and direct answer to that is “no”, because the relationship between real particles and the speed of light is part of the on shell condition, and virtual particles are off shell.
 
  • #7
haushofer
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The speed of light does not get renormalized, if that's what you mean. From that respective I've never quite understood why people fuzz about the cosmological constant; relativity in a (anti) deSitter spacetime should also 'protect' the c.c. in a similar way I'd say.
 

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