The Hagedorn transition in non-commutative open string theory

Abstract

The Hagedorn transition in non-commutative open string theory (NCOS) is relatively simple because gravity decouples. For NCOS theories in no more than five spacetime dimensions, the Hagedorn transition is second order, and the high temperature phase involves long, nearly straight fundamental strings separating from the D-brane on which the NCOS theory is defined. Above five spacetime dimensions interaction effects become important below the Hagedorn temperature. Although this complicates studies of the transition, we believe that the high temperature phase again involves long strings liberated from the bound state.

22 pages, latex, one figure. v2: references added. v3: more references added

References in corpus (7)

• OM Theory in Diverse Dimensions
• S-Duality and Noncommutative Gauge Theory
• Supergravity and Space-Time Non-Commutative Open String Theory
• Open Branes in Space-Time Non-Commutative Little String Theory
• Near Hagedorn Dynamics of NS Fivebranes, or A New Universality Class of Coiled Strings
• Hagedorn Behaviour of Little String Theory from String Corrections to NS5-Branes
• 1+1 Dimensional NCOS and its U(N) Gauge Theory Dual

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