Next-to-leading order chiral perturbation theory yields renormalized magnetic masses and decay constants for the meson octet, with neutral pion mass decreasing, neutral kaon mass unchanged, charged meson masses modified identically, and all decay constants increasing monotonically.
Chiral symmetry breaking and pion decay in a magnetic field
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Chiral perturbation theory predicts pion decay widths in magnetic fields that match lattice QCD at large field strengths but differ at weak fields primarily due to variations in the pion decay constant.
Continuum-extrapolated lattice simulations show monotonic magnetic catalysis in chiral condensates, non-monotonic charged-meson mass response, and valence-quark dominance at zero temperature up to eB ≈ 1.2 GeV².
citing papers explorer
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Meson Octet in a Uniform Magnetic Field
Next-to-leading order chiral perturbation theory yields renormalized magnetic masses and decay constants for the meson octet, with neutral pion mass decreasing, neutral kaon mass unchanged, charged meson masses modified identically, and all decay constants increasing monotonically.
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Pion Weak Decay in a Magnetic Field
Chiral perturbation theory predicts pion decay widths in magnetic fields that match lattice QCD at large field strengths but differ at weak fields primarily due to variations in the pion decay constant.
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Chiral Properties of $(2\!+\!1)$-Flavor QCD in Magnetic Fields at Zero Temperature
Continuum-extrapolated lattice simulations show monotonic magnetic catalysis in chiral condensates, non-monotonic charged-meson mass response, and valence-quark dominance at zero temperature up to eB ≈ 1.2 GeV².