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Dense hadronic matter in holographic QCDopen access
- Authors
- Kim, Keun-Young; Sin, Sang Jin; Zahed, Ismail
- Issue Date
- 2008
- Publisher
- World Scientific Publishing Co. Pte Ltd
- Citation
- The Origin of Mass and Strong Coupling Gauge Theories - Proceedings of the 2006 International Workshop, SCGT 2006, pp.131 - 147
- Indexed
- SCOPUS
- Journal Title
- The Origin of Mass and Strong Coupling Gauge Theories - Proceedings of the 2006 International Workshop, SCGT 2006
- Start Page
- 131
- End Page
- 147
- ISSN
- 0000-0000
- Abstract
- We provide a method to study hadronic matter at finite density in the con-text of the Sakai-Sugimoto model. We introduce the baryon chemical potential through the external U(1)v in the induced (DBI plus CS) action on the D8-probe-brane, where baryons are skyrmions. Vector dominance is manifest at finite density. We derive the baryon density effect on the dispersion relations of pion and vector mesons at large Nc. At large density the pion velocity drops to zero. Holographic dense matter enforces exactly the tenets of vector domi-nance, and screens effciently vector mesons. At the freezing point the p-ππ coupling vanishes with a finite rho mass of about 20% its vacuum value.
- Appears in
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Related Researcher
- Sin, Sang Jin
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)