Semiclassical Strings, Dipole Deformations of N=1 SYM and Decoupling of KK Modes

Details Semiclassical Strings, Dipole Deformations of N=1 SYM and Decoupling of KK Modes Semiclassical Strings, Dipole Deformations of N=1 SYM and Decoupling of KK Modes

2005-11-22

arxiv.org/abs/hep-th/0511216v3

JHEP0602:064,2006

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, references added, new solutions in Section 7 presented, an appendix added, to appear in JHEP

Scientific paper

10.1088/1126-6708/2006/02/064

In this paper we investigate the recently found $\gamma$-deformed Maldacena-Nunez background by studying the behavior of different semiclassical string configurations. This background is conjectured to be dual to dipole deformations of $\N=1$ SYM. We compare our results to those in the pure Maldacena-Nunez background and show that the energies of our string configurations are higher than in the undeformed background. Thinking in the lines of (hep-th/0505100) we argue that this is an evidence for better decoupling of the Kaluza-Klein modes from the pure SYM theory excitations. Moreover we are able to find a limit of the background in which the string energy is independent of $\gamma$, these strings are interpreted as corresponding to pure gauge theory effects.

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