alpha'-Corrections to Heterotic Superstring Effective Action Revisited

Details alpha'-Corrections to Heterotic Superstring Effective Action Revisited alpha'-Corrections to Heterotic Superstring Effective Action Revisited

2007-06-25

arxiv.org/abs/0706.3636v1

JHEP0708:037,2007

Physics

High Energy Physics

High Energy Physics - Theory

7 pages

Scientific paper

10.1088/1126-6708/2007/08/037

In this letter we establish that the supersymmetric R^2 effective action for
the heterotic string, obtained from the supersymmetrisation of the Lorentz
Chern-Simons term, is to order $\alpha'$ equivalent modulo field redefinitions
to heterotic string effective actions computed by different methods.

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