Definition of "brane" [brane]

• A hypothetical object extending across a number of (often specified) spatial dimensions, with strings in string theory seen as one-dimensional examples. (noun)

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• "This treatment, of course, assumes the recovery of the Kerr metric in brane-worlds which we have found to the first order in the ratio of the brane separation to the radius of the AdS$_5$, $ (ell/r) $."
• "So what has transpired is that there is now the 0-brane, which is a field at a point."
• "The brane is a distinguished sub-manifold (the skin) in the higher-dimensional space."