Fernando Marchesano on "Dynamics of Warped Compactifications"

by All (CERN)

Monday 21 Apr 2008, 14:00 → 15:00 Europe/Zurich

1/1-025 (CERN)

The schedule for this Journal Club on String Theory will be as follows: 1) The latest news in the world of strings Please bring papers that caught your recent attention and briefly summarize motivations, methods and results. 2) "Dynamics of Warped Compactifications", discussion led by Fernando Marchesano Abstract: Flux compactifications are a prototypical example of warped backgrounds in string theory. When performing the dimensional reduction to D=4, most references take a large volume limit where the effects of the warping can be ignored. Hence, they recover a D=4 N=1 supergravity `daughter' of a N=2 theory truncated to N=1. In compactifications with strong warping, however, this no longer needs to be true. Warping effects will be important and will lead to a modification of the Kähler potential for metric moduli, as well as to some KK modes with low enough mass not to be ignored in the dimensional reduction. I will discuss recent developments in understanding such effects, leading to a computation of the warped Kähler potential. Hope to see you all!! Gabriele Honecker Fernando Marchesano Nikolaos Prezas References: Mainly 0803.3068 See also hep-th/0507158, hep-th/0610255