A brane is an extended object with spatial dimensions. Its history is a -dimensional worldvolume embedded in target spacetime. A point particle has , a string has , and a membrane has . Geometric brane actions depend on the induced worldvolume metric; D-branes also carry open-string endpoint and gauge-field data.
"BRANE" can refer to different things depending on the context: 1. **In Physics and String Theory**: A "brane" (short for "membrane") is a fundamental object in string theory and related theories such as M-theory. Branes can exist in various dimensions, and they can have various properties. For example, a 1-brane is a string, a 2-brane is a surface, and so on.
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