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Meson masses in electromagnetic fields with Wilson fermions

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Bali, G. S. ; Brandt, B. B. ; Endrődi, G. ; Gläßle, B.
Date of publication of this fulltext: 27 Apr 2018 08:32


We determine the light meson spectrum in QCD in the presence of background magnetic fields using quenched Wilson fermions. Our continuum extrapolated results indicate a monotonous reduction of the connected neutral pion mass as the magnetic field grows. The vector meson mass is found to remain nonzero, a finding relevant for the conjectured ρ-meson condensation at strong magnetic fields. The ...


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