D-Brane Probe and Closed String Tachyons

Details D-Brane Probe and Closed String Tachyons D-Brane Probe and Closed String Tachyons

2001-11-22

arxiv.org/abs/hep-th/0111199v2

Phys.Rev. D65 (2002) 086006

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 17 pages, typos fixed, references updated

Scientific paper

10.1103/PhysRevD.65.086006

We consider a D-brane probe in unstable string background associated with flux branes. The twist in spacetime metric reponsible for the supersymmetry breaking is shown to manifest itself in mixing of open Wilson lines with the phases of some adjoint matter fields, resulting in a nonlocal and nonsupersymmetric form of Yang-Mills theory as the probe dynamics. This provides a setup where one can study fate of a large class of unstable closed string theories that include as a limit type 0 theories and various orbifolds of type II and type 0 theories. We discuss the limit of ${\bf C}/Z_n$ orbifold in some detail and speculate on couplings with closed string tachyons.

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