From Axions to Other WISPs

Abstract

We illustrate, taking a top-down point of view, how axions and other very weakly interacting sub-eV particles (WISPs) arise in the course of compactification of the extra spatial dimensions in string/M-theory.

Comments: 4 pages, 1 figure, contribution to 4th Patras Workshop on Axions, WIMPs and WISPs, DESY, Hamburg Site/Germany, 18-21 June 2008