Open String Spectra

November 24 - December 6

Institut Henri Poincare

Carlo Angelantonj (Ecole Polytechnique)

The content of IHP Lecture notes 39 can be found in

OPEN STRINGS by C. Angelantonj and A. Sagnotti

hep-th/0204089

Part 1 TEN DIMENSIONAL SUPERSTRINGS

• Vacuum amplitude with zero Euler character

• The type I SO(32) superstring

• Open descendants of the 0A model

• Open descendants of the 0B model

Part 2 TOROIDAL COMPACTIFICATION

• The one-dimensional torus

• Higher-dimensional tori

• T-duality and discrete moduli

Part 3 ORBIFOLD COMPACTIFICATION

• The S1/Z2 orbifold

• Shift orbifolds: Scherk-Schwarz and M-theory supersymmetry breaking

• Some simple six-dimensional rational models

• The T4/Z2 orbifold

• Quantized B-field and six-dimensional vacua

• Brane supersymmetry breaking

• The T6/Z3 orbifold

• Other four-dimensional models

• Magnetic deformations