Near Hagedorn Dynamics of NS Fivebranes, or A New Universality Class of Coiled Strings

Details Near Hagedorn Dynamics of NS Fivebranes, or A New Universality Class of Coiled Strings Near Hagedorn Dynamics of NS Fivebranes, or A New Universality Class of Coiled Strings

2000-05-04

arxiv.org/abs/hep-th/0005047v2

JHEP 0005 (2000) 040

Physics

High Energy Physics

High Energy Physics - Theory

37 pages, important signs in section 6.4 corrected, references added

Scientific paper

10.1088/1126-6708/2000/05/040

We analyze the thermodynamics of NS 5-branes as the temperature approaches the NS 5-branes' Hagedorn temperature, and conclude that the dynamics of ``Little String Theory'' is a new universality class of interacting strings. First we point out how to vary the temperature of the near extremal solution by taking into account $g_s$ corrections. The Hagedorn temperature is shown to be a limiting temperature for the theory. We then compare the thermodynamics to that of a toy model made of free strings and find basic discrepancies. This suggests a need for a new class of string interactions. We suggest that this new universality class is characterized by a strong attractive self-intersection interaction, which causes strings to be coiled. This model might also explain why ``Little String Theories'' exist in at most 5+1 dimensions.

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