The Witten-Sakai-Sugimoto model: A brief review and some recent results
Oct 31, 201420 pages
Published in:
- EPJ Web Conf. 95 (2015) 02005
Contribution to:
- Published: May 29, 2015
e-Print:
- 1410.8858 [hep-th]
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Abstract: (EDP Sciences)
A brief review of the Witten-Sakai-Sugimoto model is given, which is a top-down holographic model of low-energy QCD with chiral quarks derived from type-IIA superstring theory. The main predictions of the model, in particular concerning meson spectra, the gluon condensate, the QCD string tension, the mass of the eta' and of baryons are discussed and compared quantitatively with available experimental and/or lattice results. Then some recent results of potential interest to the physics program at the future FAIR facility are presented: The spectrum of glueballs and their decay rates into pions, and the phase diagram of QCD at finite temperature, density, and magnetic field strength.Note:
- Invited lecture to appear in the proceedings of the 3rd International Conference on New Frontiers in Physics, Kolymbari, Crete, 2014. 20 pages, 5 figures, 3 tables; v2: minor corrections, references added
- Sakai-Sugimoto model
- Type IIA
- gluon: condensation
- quark: chiral
- finite temperature
- Darmstadt GSI FAIR
- string tension
- holography
- decay rate
- eta(958)
References(100)
Figures(6)
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