Strings and D-branes physics at low energy

January 15 2001 - January 22 2001

Institut Henri Poincare

Ignatios Antoniadis (CERN/X)

The content of IHP Lecture notes 54 can be found in

STRINGS AND D-BRANE PHYSICS AT LOW ENERGY by I. Antoniadis

hep-th/0102202

Lecture 1 LOW SCALE STRING REALIZATIONS

• Motivations from heterotic string

• Type I/I'

• Type II theories

• Duality relations

Lecture 2 THEORETICAL ISSUES

• Hierarchy problem

• SUSY breaking

• Gauge symmetry breaking

• Gauge coupling unification

• D-brane Standard model embedding

Lecture 3 EXPERIMENTAL CONSEQUENCES

• Particle accelerators

• Gravity modifications