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Doubled geometry and α′ corrections
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DOI：10.1002/prop.201600012.png)
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Abstract
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We review the construction of a duality-invariant higher-derivative theory based on a doubled metric. This theory incorporates the corrections needed in the Green-Schwarz anomaly cancellation mechanism. We note recent progress in elucidating the structure of the theory. This article is largely based on the plenary talk given by B. Zwiebach at The String Theory Universe, 21st European String Workshop, Leuven, September 7-11, 2015.
Keywords:
double field theory
generalized geometry
string theory
higher derivative corrections
supergravity
alpha ' corrections
Green Schwarz anomaly cancellation
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