Semiclassical Quantization of the Superstring and Hagedorn Temperature

Abstract

In a recent paper [1], the semiclassical quantization of a string, winding once around the compact Euclidean time circle, on a supergravity background dual to the deep infrared regime of a confining finite temperature gauge theory, was carried out. The string mass-shell condition and, by extrapolation, the Hagedorn temperature to leading order in the holographic limit was deduced. In this work, we improve on those results in three ways. First, we fix some missing details of the related light-cone quantization analysis. Second, we reconsider the problem under the lens of a background-covariant geometrical formalism. This allows us to put the semiclassical mass-shell condition on more solid grounds. Finally, going beyond the semiclassical regime, we compute the Hagedorn temperature at next-to-leading order in the holographic limit. The sub-leading correction turns out to arise entirely from the contribution of the zero modes of the massive worldsheet scalar fields. Our result matches that of a recent analysis in the literature based on the Horowitz-Polchinski stringy star effective model.

arXiv comment44 pages, v2: version to appear in JHEP

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Cited by in corpus (5)

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• Hagedorn temperature in holography: world-sheet and effective approaches
• On the asymptotic density of states in solvable models of strings
• Vacuum configuration of winding superstrings from non-standard semiclassical quantization
• Holographic Hagedorn Temperature: Strong Coupling, Flavor and $\theta$-angle Effects