I give a pedagogical introduction to the concepts and the tools that are necessary to study particle physics models in higher dimensions. I then give a more detailed presentation of warped compactifications and discuss their possible relevance to the hierarchy problem.
Note
Conference of the NATO-Advanced-Study-Institute on Particle Physics and Cosmology - The Interface Cargese, FRANCE, AUG 04-16, 2003 NATO Adv Study Inst