Screening effects on1S0 pairing in nuclear matter Original Research Article

The properties of the1S0 pairing in neutron and nuclear matter are discussed in the framework of the generalized gap equation. The self-energy and vertex corrections are treated on the same footing. It is found that the two effects lead to a strong suppression of the pairing in neutron matter, whereas they largely cancel out each other in nuclear matter due to the dominant attractive effect of the proton particle-hole bubble insertion.