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Posted by RFL on October 8, 1998 15:14:18 UTC

Very astute Nate, however, the Casimir effect is due to the change in boundary conditions of the usual electromagnetic field equations due to the presence of the plates. The term `exotic matter' is used sometimes to say this but more usually to postulate some weird as yet unknown field equations that have the required negative energy density, relative to flat space at infinity under the original boundary conditions. This is why nobody talks about creating a wormhole between two vast metallic plates, though in theory it might be possible..

Needless to say this is speculation on a grand scale.

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