QCD vacuum structure in strong magnetic fields

Details QCD vacuum structure in strong magnetic fields QCD vacuum structure in strong magnetic fields

2002-04-10

arxiv.org/abs/hep-ph/0204120v3

Phys.Rev.D66:014004,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, LaTeX, 3 eps figures. v2: references added. v3: fixed typo

Scientific paper

10.1103/PhysRevD.66.014004

We study the response of the QCD vacuum to strong magnetic fields, using a potential model for the quark-antiquark interaction. We find that production of spin-polarized u-ubar pairs is energetically favorable for fields B > B_crit \sim 10 GeV^2. We contrast the resulting u-ubar condensate with the quark condensate which is present at zero magnetic field, and we estimate the corresponding magnetization as a function of B.

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