String-Inspired Chern-Simons Modified Gravity In 4-Dimensions
arXiv:0807.1832 · doi:10.1140/epjc/s10052-012-1979-0
Abstract
Chern-Simons modified gravity models in 4-dimensions are shown to be special cases of low energy effective string models to first order in the string constant.
To appear in the European Physics Journal C