Can elementary particles be created out of nothing ?

[Dawkins]

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".

 

[derek101]

Where would the energy come from?

 

[Dawkins]

derek, ever heard about "Casimir Effect" ?

 

[MarekS]

Yes, as long as conservation laws are obeyed. Vacuum has nonzero energy density.