Quark-antiquark Scattering Phase Shift and Meson Spectral Function in Pion Superfluid
classification
✦ hep-ph
nucl-th
keywords
functionmesonphasepionscatteringshiftspectralsuperfluid
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We study the quark-antiquark scattering phase shift and meson spectral function in the pion superfluid described by the Nambu--Jona-Lasinio model. The meson mixing in the pion superfluid changes dramatically the full scattering phase shift and spreads strongly the spectral function of some of the collective modes.
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Cited by 1 Pith paper
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Minimal superfluid vortices in chiral perturbation theory
Leading order chiral perturbation theory yields the minimal energy condition for vortex nucleation in the pion condensed phase, with vortices carrying quantized angular momentum and self-confining pions.
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