Unitary and Complex Matrix Models as 1-d Type 0 Strings

Details Unitary and Complex Matrix Models as 1-d Type 0 Strings Unitary and Complex Matrix Models as 1-d Type 0 Strings

2003-09-16

arxiv.org/abs/hep-th/0309168v2

Commun.Math.Phys.252:275-323,2004

Physics

High Energy Physics

High Energy Physics - Theory

63 pages

Scientific paper

10.1007/s00220-004-1183-7

We propose that the double scaling behavior of the unitary matrix models, and that of the complex matrix models, is related to type 0B and 0A fermionic string theories. The particular backgrounds involved correspond to $\hat c<1 $ matter coupled to super-Liouville theory. We examine in detail the $\hat c=0$ or pure supergravity case, which is related to the double scaling limit around the Gross-Witten transition, and find that reversing the sign of the Liouville superpotential interchanges the 0A and 0B theories. We also find smooth transitions between weakly coupled string backgrounds with D-branes, and backgrounds with Ramond-Ramond fluxes only. Finally, we discuss matrix models with multicritical potentials that are conjectured to correspond to 0A/0B string theories based on $(2, 4k)$ super-minimal models.

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