Friday, June 21, 2013

1306.4918 (Hadi Godazgar et al.)

Duality completion of higher derivative corrections    [PDF]

Hadi Godazgar, Mahdi Godazgar
We present a new method for completing higher derivative corrections for theories that exhibit duality symmetries under reduction. This proposal is based on the observation that duality symmetry in the reduced theory highly constrains the form of the unreduced theory. We apply this idea to closed bosonic string theory and complete the Riemann squared term to simply derive the known full tree-level effective action to order alpha'.
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