On 6/27/2018 10:01 AM, John Clark wrote:

    />There are problems with these types of solutions. The biggest is
    they requires a source term that has negative energy/

The Casimir effect has demonstrated that the vacuum between 2 conductive planes that are very very close to each other contains negative energy density.


Not exactly.  There is just less positive energy density than outside the plates.  I don't think that's equivalent to the negative energy density needed to keep a wormhole open.

Brent

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