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Does the Casimir Effect violate the Quantum Inequalities? From what I understand, the Casimir Effect is able to produce negative energy densities for an indefinite amount of time, or is that wrong?

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  • $\begingroup$ Did you notice the word unconstrained in the link? I'd say the casimire effect is constrained $\endgroup$ – Jitter Dec 30 '13 at 19:33
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    $\begingroup$ Short answer: No, it does not. You can look at Lectures on quantum energy inequalities by Fewster arXiv:1208.5399, for application of QI to produce bounds on Casimir energy densities. $\endgroup$ – user23660 Dec 31 '13 at 6:14
  • $\begingroup$ @user23660 OK,i got this. So we can say that Casimir effect is bounded by Q.I only on the magnitude of the negative energy produced ? $\endgroup$ – Andrea Scaglioni Dec 31 '13 at 11:57
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You are wrong, the Casimir Effect is able to produce negative energy densities for an finite amount of time. So it does not violate the Quantum Inequalities.

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    $\begingroup$ I know than Casimir effect have constraints on the magnitude of the negative energy produced but i don't understand why are you saying that it can do this only for a finite amount of time..For what i read you need to separate the plates from each other to stop the attraction between them (negative energy) but maybe i completely misunderstood the subject. $\endgroup$ – Andrea Scaglioni Dec 31 '13 at 11:55

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