Criticality, Scaling and Chiral Symmetry Breaking in External Magnetic Field

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dc.creatorFilev, Veselin G.
dc.date2007-06-26
dc.date2008-04-16
dc.date.accessioned2026-07-07T11:17:14Z
dc.date.available2026-07-07T11:17:14Z
dc.descriptionWe consider a D7-brane probe of $AdS_{5}\times S^5$ in the presence of pure gauge $B$-field. The dual gauge theory is flavored Yang-Mills theory in external magnetic field. We explore the dependence of the fermionic condensate on the bare quark mass $m_{q}$ and study the discrete self-similar behavior of the theory near the origin of the parametric space. We calculate the critical exponents of the bare quark mass and the fermionic condensate. A study of the meson spectrum supports the expectation based on thermodynamic considerations that at zero bare quark mass the stable phase of the theory is a chiral symmetry breaking one. Our study reveals the self-similar structure of the spectrum near the critical phase of the theory, characterized by zero fermionic condensate and we calculate the corresponding critical exponent of the meson spectrum.
dc.description29 pages, 9 figures. Accepted in JHEP. Updated to mach the published version. One figure added, some definitions improved
dc.identifierhttps://arxiv.org/abs/0706.3811
dc.identifierhttp://arxiv.org/abs/0706.3811
dc.identifierJHEP0804:088,2008
dc.identifierdoi:10.1088/1126-6708/2008/04/088
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192937
dc.subjectHigh Energy Physics - Theory
dc.titleCriticality, Scaling and Chiral Symmetry Breaking in External Magnetic Field
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