# D-branes and boundary states in closed string theories

@article{Craps2000DbranesAB, title={D-branes and boundary states in closed string theories}, author={Ben Craps}, journal={arXiv: High Energy Physics - Theory}, year={2000} }

In this Ph.D. thesis, we study some aspects of strings and branes. We mainly focus on anomalous D-brane couplings and on non-supersymmetric branes.
In Chapter 2, we illustrate three key concepts in a field theory context: duality, supersymmetry and anomaly inflow.
Chapter 3 contains an introduction to string theory, emphasizing the concepts relevant to this thesis, like string scattering amplitudes and D-brane actions.
In Chapter 4, we introduce the boundary state formalism and use it to…

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