出典:Wikipedia
出典:『Wikipedia』 (2011/06/29 17:15 UTC 版)
T-duality is a symmetry of quantum field theories with differing classical descriptions, of which the relationship between small and large distances in various string theories is a special case. Discussion of the subject originated in a paper by T. S. Buscher and was further developed by Martin Rocek and Erik Verlinde. T-duality is not present in ordinary particle theory, indicating that strings experience spacetime in a way that is fundamentally distinct than the way particles do. It relates different string theories that were thought to be unrelated before T-duality was understood. T-duality preceded the Second Superstring Revolution.