Out of the Dark: WISPs in String Theory and the Early Universe

Abstract

New light hidden sector degrees of freedom represent one of the most approaches to going beyond the Standard Model. I give a short account of how such WISP candidates naturally appear in string compactifications and some descriptions of ways that they can affect early universe cosmology.

Comments: 6 pages, contribution to the Proceedings of the 1st General Meeting of the COSMIC WISPers COST Action CA21106