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Holographic deconfinement transition in the presence of a magnetic field

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Abstract

We investigate the thermodynamics of the flavour sector of the Sakai-Sugimoto model in the presence of a magnetic field. Renormalizing the euclidean Dirac-Born-Infeld action in the antipodal limit, we find for the confined and deconfined phases positive contributions to the pressures that grow with the magnetic field. We also obtain positive magnetic susceptibilities indicating a paramagnetic behaviour of quarks. Using these results we estimate a λ2 /N c correction to the deconfinement temperature that decreases as a function of the magnetic field.

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Authors and Affiliations

  1. ICTP South American Institute for Fundamental Research, Instituto de Física Teórica, Universidade Estadual Paulista, 01140-070, São Paulo, SP, Brazil

    Alfonso Ballon-Bayona

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  1. Alfonso Ballon-Bayona
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Correspondence to Alfonso Ballon-Bayona.

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ArXiv ePrint: 1307.6498

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Ballon-Bayona, A. Holographic deconfinement transition in the presence of a magnetic field. J. High Energ. Phys. 2013, 168 (2013). https://doi.org/10.1007/JHEP11(2013)168

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  • DOI: https://doi.org/10.1007/JHEP11(2013)168

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