Is empty space 'empty'? Fields extend throughout all space. So photons moving through space 'know' about other fields (like the e⁻ field) This 'knowing' is called field interaction, & the leading order correction to the vacuum in E&M is a virtual electron, anti-electron pairpic.twitter.com/1wFEus8KB0
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Replying to @InertialObservr
Have you see this simulation? It’s so pretty Work done by Prof Derek Leinweber http://www.physics.adelaide.edu.au/theory/staff/leinweber/ …pic.twitter.com/BJXlfvvO3k
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Replying to @_Desmoden
yea I have, same idea as this .. gotta be careful when visualizing off shell fluctuations though
11:33 PM - 18 Dec 2019
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