The World-sheet description of A and B branes revisited

Alexandre Sevrin, Wieland Staessens, Alexander Wijns

Research output: Contribution to journalArticle

6 Citations (Scopus)


We give a manifest supersymmetric description of A and B branes on Kahler manifolds using a completely local N=2 superspace formulation of the world-sheet nonlinear sigma-model in the presence of a boundary. In particular, we show that an N=2 superspace description of type A boundaries is possible, at least when the background is Kahler. This leads to an elegant and concrete setting for studying coisotropic A branes. Here, apgesan important role is played by the boundary potential, whose precise physical meaning remains to be fully understood. Duality transformations relating A and B branes in the presence of isometries are studied as well.
Original languageEnglish
Article number61
Pages (from-to)1-31
Number of pages32
Issue number11
Publication statusPublished - 2007


  • Theoretical elementary particle physics
  • Supersymmetry
  • D-branes


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