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N=2 higher-derivative couplings from strings
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DOI：10.1007/JHEP02(2014)093.png)
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摘要
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We consider the Calabi-Yau reduction of the Type IIA eight derivative one-loop stringy corrections focusing on the couplings of the four dimensional gravity multiplet with vector multiplets and a tensor multiplet containing the NS two-form. We obtain a variety of higher derivative invariants generalising the one-loop topological string coupling, F-1, controlled by the lowest order Kahler potential and two new non-topological quantities built out of the Calabi-Yau Riemann curvature.
Keyword:
Superstrings and Heterotic Strings
Supergravity Models
期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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