Abstract: (arXiv)
A comprehensive introduction to the boundary state approach to Dirichlet branes is given. Various examples of BPS and non-BPS Dirichlet branes are discussed. In particular, the non-BPS states in the duality of Type IIA on K3 and the heterotic string on T4 are analysed in detail.
  • lectures: Trieste 2000/03/27
  • lectures: Torino 2000/01/26
  • membrane model: D-brane
  • phase space: boundary condition
  • soliton: BPS
  • duality
  • orbifold
  • group theory: representation
  • string model: heterotic
  • field theory: conformal