$^1 S_0$ pairing correlation in symmetric nuclear matter with Debye screening effects
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The $^1 S_0$ pairing of symmetric nuclear matter is discussed in the frame work of relativistic nuclear theory with Dyson-Schwinger equations (DSEs). The in-medium nucleon and meson propagators are treated in a more self-consistent way through meson polarizations. The screening effects on mesons due to in-medium nucleon excitation are found to reduce the $^1S_0$ pairing gap and shift remarkably the gap peak to low density region.
5 pages, identical to published version in PLB with typos corrected
5 pages, identical to published version in PLB with typos corrected