4-point effective actions in open and closed superstring theory

Details 4-point effective actions in open and closed superstring theory 4-point effective actions in open and closed superstring theory

2003-10-02

arxiv.org/abs/hep-th/0310015v3

JHEP 0311 (2003) 003

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, 1 figure. To appear in JHEP

Scientific paper

10.1088/1126-6708/2003/11/003

Recently the effective action for the 4-point functions in abelian open superstring theory has been derived, giving an explicit construction of the bosonic and fermionic terms of this infinite $\alpha'$ series. In the present work we generalize this result to the nonabelian case. We test our result, at ${\alpha'}^3$ and ${\alpha'}^4$ order, with several existing versions for these terms, finding agreement in most of the cases. We also apply these ideas to derive the effective action for the 4-point functions of the NS-NS sector of closed superstring theory, to all order in $\alpha'$.

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