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On gravitational couplings in D-brane action
classification
✦ hep-th
keywords
actiond-branescalarstringamplitudeclosedcomputecoupling
read the original abstract
We compute the two closed string graviton - two open string scalar scattering amplitude on the disc to show that there is no second-derivative curvature - scalar coupling term R X^2 in the low-energy effective action of a D-brane in curved space in type II superstring theory.
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