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Quark deconfinement and gluon condensate in a weak magnetic field from QCD sum rules

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Figure

FIG. 2. pQCD contribution to the axial-vector current correlator in the presence of a magnetic field
FIG. 5 (color online). Light-quark condensate normalized to its vacuum value as a function of the magnetic field strength eB in units of GeV 2
FIG. 7 (color online). The gluon condensate, C 4 hO 4 i, normal- normal-ized to its eB ¼ 0 value, as a function of eB

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