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Unitary and Complex Matrix Models as 1-d Type 0 Strings
I. R. Klebanov, J. Maldacena, N. Seiberg
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 particu…
Is Theta+(1540) a Kaon--Skyrmion Resonance?
Nissan Itzhaki, Igor R. Klebanov, Peter Ouyang +1
We reconsider the relationship between the bound state and the SU(3) rigid rotator approaches to strangeness in the Skyrme model. For non-exotic S=-1 baryons the bound state approa…
A New Hat For The c=1 Matrix Model
M. R. Douglas, I. R. Klebanov, D. Kutasov +3
We consider two dimensional supergravity coupled to matter. This system can also be interpreted as noncritical type 0 string theory in a two dimensional target space. Af…
D-brane Decay in Two-Dimensional String Theory
Igor R. Klebanov, Juan Maldacena, Nathan Seiberg
We consider unstable D0-branes of two dimensional string theory, described by the boundary state of Zamolodchikov and Zamolodchikov [hep-th/0101152] multiplied by the Neumann bound…
Closed String Tachyons and Their Implications for Non-Supersymmetric Strings
Michael Dine, Elie Gorbatov, Igor R. Klebanov +1
Closed string tachyons have long been somewhat mysterious. We note that there is often a regime in the classical moduli space in which one can systematically compute the effective…
Proton Decay in Intersecting D-brane Models
Igor R. Klebanov, Edward Witten
We analyze proton decay via dimension six operators in certain GUT-like models derived from Type IIA orientifolds with -branes. The amplitude is parametrically enhanced by a fa…