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Can elementary particles be created out of nothing ?

  1. Nov 28, 2012 #1
    can elementary particles be created out of nothing ?
    i mean in the universe ? can elementary particles just pop into existence out of nothing ?

    if yes, how ?


    BTW, i know there's no "nothing" or "nothingness".
     
  2. jcsd
  3. Nov 28, 2012 #2
    Where would the energy come from?
     
  4. Nov 28, 2012 #3
    derek, ever heard about "Casimir Effect" ?
     
  5. Nov 28, 2012 #4
    Yes, as long as conservation laws are obeyed. Vacuum has nonzero energy density.
     
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