Abstract
The Wess-Zumino coupling on D-branes in string theory is known to receive higher derivative corrections which couple the Ramond-Ramond potential to terms involving the square of the spacetime curvature tensor. Consistency with T-duality implies that the branes should also have four-derivative couplings that involve the NS-NS B-field. We use T-duality to predict some of these couplings. We then confirm these results with string worldsheet computations by evaluating disc amplitudes with insertions of one R-R and two NS-NS vertex operators.
| Original language | English |
|---|---|
| Article number | 29 |
| Journal | Journal of High Energy Physics |
| Volume | 2010 |
| Issue number | 9 |
| DOIs | |
| State | Published - 2010 |
Keywords
- D-branes
- String duality
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