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abstraction > hypothesis > theory > unified theory > string theory > brane |
brane comparison table |
Subject | is a kind of | has definition |
---|---|---|
string theory | unified theory | Theory that subatomic particles actually have extension along one axis, and that their properties are determined by the arrangement and vibration of the strings. |
brane | string theory | Any of the extended objects that arise in string theory. A one-brane is a string, a two-brane is a membrane, a three-brane has three extended dimensions, etc. More generally, a p-brane has p spatial dimensions. |
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