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Hello.In Casimir phenomenon between metal plates create a negative energy.How can I manage this power.Thank
Wiybit - negative energy is very hypothetical and definitely not accepted mainstream.
It would imply negative mass - and both negative energy and mass are not completely at home as energy conditions in GR solutions.
The Casimir effect can be viewed as creating a volume of space with a negative energy density in comparision to the vacuum energy of free space; this is really the by far the nearest to a real manifestation of negative energy (and it's not that close). The fact that this negative energy is postulated because of an absence of theoretical item should definitely not be viewed as ruling it out. In very different circumstances which has huge parallels - the positron was first theorised as the absence of a negative energy electron (the absence of a negatively charged negative energy particle being the same as the presence of a positively charged positive energy anti-particle). I think that also engages with the second half of your question - we should be able to deal with negative amounts of negative energy as positive amounts of normal energy (and so on); but that makes the massive presumption that negative energy exists in a non-hypothetical manner.
Quote from: imatfaal on 03/03/2011 11:14:54It would imply negative mass - and both negative energy and mass are not completely at home as energy conditions in GR solutions.A black hole is hardly a positive mass, but anyway.
Evidence suggest energy cannot be created or destroyed, only transformed from one form into another.The genuine existence of real negative energy would violate that observation. As in +1 + -1 = 0 (the energy has gone :-( )
Well the charge of a positron is positive, (opposite of the electron). However the mass is not negative mass.Hence I am thinking the energy is not negative energy.
Hate to cast doubt on the fount of all knowledge - but are you sure JP?
Anti-particles can be seen as particles with opposite time line (ie in feynman diagrams)- but surely not as particles with negative mass / negative energy. Dirac's initial conception of the positron was as a gap in the negative energy (and charge) sea - a gap in the negative energy sea is positive energy
I knew I shouldn't have contradicted JP [B)]
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