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Posted by FineS137 on April 5, 2001 06:53:17 UTC

the answer would also depend on the dimentions of the shell. For any reasonable size, the nonzero components of the stress energy tensor would be enourmous, so I don't know what kind of matterials or fields could produce the terms. I just know what the terms are. To see for yourself how huge they are take for instance, -r2sin2qTqq is a pressure like component. Pick some dimentions for the shell. Put some numbers in for r etc for somewhere around the middle of the shell and try for example q = p/2 and you'll have the term. Now it can be produced by a field that you don't normally consider this as a pressure. Or you can produce it with strain on a matterial. Whatever produces such a term will work.

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