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Abstract: In this letter we establish that the supersymmetric R^2 effective action forthe heterotic string, obtained from the supersymmetrisation of the LorentzChern-Simons term, is to order $\alpha-$ equivalent modulo field redefinitionsto heterotic string effective actions computed by different methods.



Autor: W.A. Chemissany, Mees de Roo, Sudhakar Panda

Fuente: https://arxiv.org/







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