Fermions, Wigs, and Attractors
High Energy Physics - Theory
2015-06-17 v2
Abstract
We compute the modifications to the attractor mechanism due to fermionic corrections. In N=2, D=4 supergravity, at the fourth order, we find a new contribution to the horizon values of the scalar fields of the vector multiplets.
Keywords
Cite
@article{arxiv.1309.0821,
title = {Fermions, Wigs, and Attractors},
author = {L. G. C. Gentile and P. A. Grassi and A. Marrani and A. Mezzalira},
journal= {arXiv preprint arXiv:1309.0821},
year = {2015}
}
Comments
v2 : 1+11 pages; paper reorganized in Sections; Sec. 5 added, with detailed treatment of the axion-dilaton model; some typos fixed and references added