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F-theory at order $\alpha'^3$

Abstract : We study the effective physics of F-theory at order $\alpha'^3$ in derivative expansion. We show that the ten-dimensional type IIB eight-derivative couplings involving the graviton and the axio-dilaton naturally descend from pure gravity in twelve dimensions. Upon compactification on elliptically fibered Calabi-Yau fourfolds, the non-trivial vacuum profile for the axio-dilaton leads to a new, genuinely N=1, $\alpha'^3$ correction to the four-dimensional effective action.
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Ruben Minasian, Tom G. Pugh, Raffaele Savelli. F-theory at order $\alpha'^3$. Journal of High Energy Physics, Springer Verlag (Germany), 2015, 2015, pp.050. ⟨10.1007/JHEP10(2015)050⟩. ⟨cea-01310353⟩

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