Entry from US English dictionary
Definition of brane world in English:
Physics A world model in which our space-time is the result of a 3-brane moving through a space-time of higher dimension, with all interactions except gravity being confined to the 3-brane.
- She leads us on to superstring theory and ‘brane worlds’, which picture particles as tiny vibrating filaments and the universe itself as a giant wobbly sheet.
- Cosmologists have picked up on this idea, and when they talk about the structure of the universe, you'll hear them talking about multi-dimensional ‘brane worlds’.
- If the brane-world picture is correct, near the space of our planet a vast section of brane worlds exist.
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