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Is Dirac's Sea a Dead Sea? 
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#1
Apr1512, 04:12 PM

P: 119

Is Dirac's Sea entirely discounted now?
He did predict positrons  that were later found. And mirrors have been shown to produce photons from a vacuum which is pretty weird. There seems to be a flurry of activity in this area of physics caused by computers hitting Casimir Effect problems in sensors that are so small that Casimir forces prevent their perfect functioning. Also as clock speeds increase more of these effects can occur. 


#2
Apr1512, 04:45 PM

Sci Advisor
PF Gold
P: 2,739

Yes its dead now  QFT has replaced it, makes exactly the same predictions such as antimatter (directly  no sea required) but without the problems of negative mass.
Thanks Bill 


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