Massless fermionic bound states and the gauge/gravity correspondence
Artikel i vetenskaplig tidskrift, 2006

We study the equations of motion of fermions in type IIB supergravity in the context of the gauge/gravity correspondence. The main motivation is the search for normalizable fermionic zero modes in such backgrounds, to be interpreted as composite massless fermions in the dual theory. We specialize to backgrounds characterized by a constant dilaton and a self-dual three-form. In the specific case of the Klebanov-Strassler solution we construct explicitly the fermionic superpartner of the Goldstone mode associated with the broken baryonic symmetry. The fermionic equations could also be used to search for goldstinos in theories that break supersymmetry dynamically.

gauge-gravity correspondence

Supersymmetry breaking


Gabriele Ferretti

International Solvay Institute for Physics and Chemistry

Gabriele Ferretti

Chalmers, Teknisk fysik, Matematisk fysik

Christoffer Petersson

Chalmers, Teknisk fysik, Matematisk fysik

Journal of High Energy Physics

1126-6708 (ISSN) 1029-8479 (eISSN)

Vol. 03 043-


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