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D-brane/O-plane effective actions, disc amplitudes and T-duality

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Mathematics and Applications of Branes in String and M-theory

I will be discussing the computation of superstring scattering amplitudes in the presence of D-branes and orientifold planes. The results encode certain terms in the low energy effective actions of space-time fields localized on branes/planes. I will describe some of these interactions and show how they restore compatibility with T-duality.

This talk is part of the Isaac Newton Institute Seminar Series series.

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