T-duality of O-plane action at order α′2
We use compatibility of O-plane action with nonlinear T-duality as a guiding principle to find all NS–NS couplings in the O-plane action at order α′2. We find that the dilaton couplings appear in the string frame only via the transformation Rˆμν→Rˆμν+∇μ∇νϕ.
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| Format: | Article |
| Language: | English |
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Elsevier
2015-07-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S037026931500386X |