N=1 No-Scale Supergravity from IIB Orientifolds

Details N=1 No-Scale Supergravity from IIB Orientifolds N=1 No-Scale Supergravity from IIB Orientifolds

2002-07-13

arxiv.org/abs/hep-th/0207135v2

Phys.Lett. B545 (2002) 411-415

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, LaTeX. Minor misprint corrected. To be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(02)02626-6

We describe the low-energy effective theory of N=1 spontaneously broken supegravity obtained by flux-induced breaking in the presence of n D3 branes. This theory can be obtained by integrating out three massive gravitino multiplets in the hierarchical breaking N=4 to N=3 to N=2 to N=1. This integration also eliminates the IIB complex dilaton. The resulting theory is a no-scale supergravity model, whose moduli are the three chiral multiplets that correspond to the three radii of the three 2-tori in 6-torus, together with the 6n brane coordinates. The U(n) gauge interactions on the branes respect the no-scale structure,and the N=1 goldstino is the fermionic partner of the 6-torus volume.

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