T-duality

introduction

• This refers to the situation where one string theory compactified on a circle of radius R, and another string theory compactified on circle of radius 1/R describe the same physics. Therefore when one of the theories is on a very small circle the other theory is on a very large circle.
• \(\int \partial X \bar{\partial}X\)
• \(X=X+2\pi R\)
• T-duality

\[\tilde{R}=\frac{\alpha'}{R}\]

   

http://iopscience.iop.org/1742-5468/2006/12/P12016/fulltext#SECTIONREF

http://www.sciencedirect.com/science/article/pii/0370269389910605

 

related items

• c=1 representations

 

encyclopedia

• http://en.wikipedia.org/wiki/T-duality