Higher Derivative Brane Couplings from T-Duality

Details Higher Derivative Brane Couplings from T-Duality Higher Derivative Brane Couplings from T-Duality

2010-07-02

arxiv.org/abs/1007.0441v2

JHEP 1009:029,2010

Physics

High Energy Physics

High Energy Physics - Theory

30 pages, 1 figure, references added

Scientific paper

10.1007/JHEP09(2010)029

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.

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