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Little string theory in a double scaling limit
A double scaling limit can be defined in string theory on a Calabi-Yau (CY) manifold by approaching a point in moduli space where the CY space develops an isolated singularity and at the same timeExpand
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Comments on string theory on AdS(3)
We study string propagation on $AdS_3$ times a compact space from an ``old fashioned'' worldsheet point of view of perturbative string theory. We derive the spacetime CFT and its Virasoro and currentExpand
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Entanglement as a probe of confinement
Abstract We investigate the entanglement entropy in gravity duals of confining large N c gauge theories using the proposal of [S. Ryu, T. Takayanagi, Phys. Rev. Lett. 96 (2006) 181602, hep-th/0603001Expand
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A New Hat For The c=1 Matrix Model
We consider two dimensional supergravity coupled to $\hat c=1$ matter. This system can also be interpreted as noncritical type 0 string theory in a two dimensional target space. After reviewing andExpand
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Remarks on Tachyon Condensation in Superstring Field Theory
We generalize recent results on tachyon condensation in boundary string field theory to the superstring.
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More comments on string theory on AdS(3)
We clarify a number of issues regarding the worldsheet and spacetime descriptions of string propagation on AdS3. We construct the vertex operators of spacetime current algebra and spacetime (super)Expand
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A matrix model for the two-dimensional black hole
Abstract We construct and study a matrix model that describes two-dimensional string theory in the Euclidean black hole background. A conjecture of V. Fateev, A. Zamolodchikov and Al. Zamolodchikov,Expand
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Some exact results on tachyon condensation in string field theory
The study of open string tachyon condensation in string field theory can be drastically simplified by making an appropriate choice of coordinates on the space of string fields. We show that a veryExpand
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Seiberg duality in Chern–Simons theory
Abstract We argue that N = 2 supersymmetric Chern–Simons theories exhibit a strong–weak coupling Seiberg-type duality. We also discuss supersymmetry breaking in these theories.
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A comment on duality in N = 1 supersymmetric non-abelian gauge theories
Abstract Recently N. Seiberg has shown that certain N = 1 supersymmetric Yang-Mills theories have the property that their infrared physics can be equivalently described by two different gaugeExpand
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