The One-Loop H^2R^3 and H^2(DH)^2R Terms in the Effective Action

Details The One-Loop H^2R^3 and H^2(DH)^2R Terms in the Effective Action The One-Loop H^2R^3 and H^2(DH)^2R Terms in the Effective Action

2008-07-22

arxiv.org/abs/0807.3453v2

JHEP 0810:043,2008

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, 3 figures; corrected typos

Scientific paper

10.1088/1126-6708/2008/10/043

We consider the one-loop B^2h^3 and B^4h amplitudes in type II string theory, where B is the NS-NS two-form and h the graviton, and expand to lowest order in alpha'. After subtracting diagrams due to quartic terms in the effective action, we determine the presence and structure of both an H^2R^3 and H^2(DH)^2R term. We show that both terms are multiplied by the usual (t_8t_8\pm{1/8}\epsilon_{10}\epsilon_{10}) factor.

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