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A note on the thermodynamics of `little string' theory

Emil Martinec·Vatche Sahakian
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Abstract

We study the thermodynamics of the D1-D5 system on a five-torus, focussing on the roles of different scales. One can take a decoupling limit such that the tension of the `little string' inside the fivebrane remains finite and the physics is 5+1 dimensional. The dual black geometry exhibits a boosted Hagedorn phase, as well as a phase describing a boosted fivebrane gas. The dependence on the boost yields information about the nature of the fivebrane modes and their interactions. In particular, the form of the equations of state suggests a description in terms of $k=Q_1 Q_5$ degrees of freedom, which may lead to an explanation of the $(Q_5)^3$ growth in the fivebrane density of states below the Hagedorn transition.

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Emil Martinec, Vatche Sahakian. 1999-06-17. A note on the thermodynamics of `little string' theory. https://arxiv.org/abs/hep-th/9906137

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