What is the gravity dual of the confinement/deconfinement transition in holographic QCD?

Morita, T. ; Mandal, G. (2012) What is the gravity dual of the confinement/deconfinement transition in holographic QCD? Fortschritte der Physik, 60 (9-10). pp. 1080-1085. ISSN 0015-8208

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/prop.20...

Related URL: http://dx.doi.org/10.1002/prop.201200019

Abstract

We study the gravity dual of four dimensional pure Yang-Mills theory through D4 branes, as proposed by Witten (holographic QCD). In this holographic QCD, it has been widely believed that the confinement phase in the pure Yang-Mills theory corresponds to the AdS D4 soliton in gravity and the deconfinement phase corresponds to the black D4 brane. We inspect this conjecture carefully and show that the correspondence between the black D4 brane and the deconfinement phase is not correct. Instead, by using a slightly different set up, we find an alternative gravity solution called "localized soliton", which would be properly related to the deconfinement phase. In this case, the confinement/deconfinement transition is realized as a Gregory-Laflamme type transition. We find that our proposal naturally explains several known properties of QCD.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons, Inc.
Keywords:Gauge/Gravity Correspondence; QCD
ID Code:103528
Deposited On:26 Dec 2017 11:15
Last Modified:26 Dec 2017 11:15

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