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arXiv · 0709.1547

Finite Temperature Large N Gauge Theory with Quarks in an External Magnetic Field

Tameem Albash·Veselin Filev·Clifford V. Johnson·Arnab Kundu
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Abstract

Using a ten dimensional dual string background, we study aspects of the physics of finite temperature large N four dimensional SU(N) gauge theory, focusing on the dynamics of fundamental quarks in the presence of a background magnetic field. At vanishing temperature and magnetic field, the theory has N=2 supersymmetry, and the quarks are in hypermultiplet representations. In a previous study, similar techniques were used to show that the quark dynamics exhibit spontaneous chiral symmetry breaking. In the present work we begin by establishing the non-trivial phase structure that results from finite temperature. We observe, for example, that above the critical value of the field that generates a chiral condensate spontaneously, the meson melting transition disappears, leaving only a discrete spectrum of mesons at any temperature. We also compute several thermodynamic properties of the plasma.

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Tameem Albash, Veselin Filev, Clifford V. Johnson, Arnab Kundu. 2008-09-02. Finite Temperature Large N Gauge Theory with Quarks in an External Magnetic Field. https://doi.org/10.1088/1126-6708%2F2008%2F07%2F080

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