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Phys. Rev. D 78, 066007 (2008) [6 pages]

Magnetized baryonic matter in holographic QCD

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Ethan G. Thompson
Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA

Dam T. Son
Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195-1550, USA

Received 16 June 2008; published 11 September 2008

We investigate the properties of the Sakai-Sugimoto model at finite magnetic field and baryon chemical potentials. We show that in a finite magnetic field, there exists a spatially homogeneous configuration carrying a finite-baryon number density. At a low magnetic field and baryon chemical potential, the equation of state of the matter coincides with that obtained from the chiral perturbation theory Lagrangian with an anomalous term. We discuss the behavior of the system at larger magnetic fields.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.78.066007
DOI:
10.1103/PhysRevD.78.066007
PACS:
11.25.Tq