Noncritical-Topological Correspondence: Disc Amplitudes and Noncompact Branes

Details Noncritical-Topological Correspondence: Disc Amplitudes and Noncompact Branes Noncritical-Topological Correspondence: Disc Amplitudes and Noncompact Branes

2006-12-06

arxiv.org/abs/hep-th/0612054v3

JHEP 0704:019,2007

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, latex, 1 figure; minor modifications

Scientific paper

10.1088/1126-6708/2007/04/019

We examine the duality between type 0 noncritical strings and topological B-model strings, with special emphasis on the flux dependence. The former theory is known to exhibit holomorphic factorisation upto a subtle flux-dependent disc term. We give a precise definition of the B-model dual and propose that it includes both compact and noncompact B-branes. The former give the factorised part of the free energy, while the latter violate holomorphic factorisation and contribute the desired disc term. These observations are generalised to rational radii, for which we derive a nonperturbatively exact result. We also show that our picture extends to a proposed alternative topological-anti-topological picture of the correspondence for type 0 strings.

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