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Mesons versus quasi-normal modes : undercooling and overheating.

Paredes, Angel and Peeters, Kasper and Zamaklar, Marija (2008) 'Mesons versus quasi-normal modes : undercooling and overheating.', Journal of high energy physics., 2008 (05). 027.


In holographic models of gauge theories with matter, there generically exists a first order phase transition in which mesons dissociate. We perform a careful analysis of the meson and quasi-particle spectra in the overheated resp. undercooled regimes close to the junction of the two phases. We show that all overheated finite meson masses eventually become infinitely degenerate, which implies that any connection to the quasi-particle spectrum is more subtle than previously suggested. For the Sakai-Sugimoto model no smooth connection between these spectra is possible.

Item Type:Article
Additional Information:
Keywords:Confinement, D-branes, Gauge-gravity correspondence.
Full text:(AM) Accepted Manuscript
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Publisher statement:This is an author-created, un-copyedited version of an article accepted for publication in Journal of High Energy Physics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at
Date accepted:No date available
Date deposited:06 May 2014
Date of first online publication:May 2008
Date first made open access:No date available

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