Pairing correlations and effective mass

Details Pairing correlations and effective mass Pairing correlations and effective mass

2008-04-18

arxiv.org/abs/0804.2922v1

Phys.Rev.C77:054308,2008

Physics

Nuclear Physics

Nuclear Theory

14pages,5figures

Scientific paper

10.1103/PhysRevC.77.054308

We study the effect of effective mass on pairing correlations in the ground states of superfluid nuclei $^{124}$Sn and $^{136}$Sn. Various parameter sets of Skyrme interactions and relativistic Lagrangians are adopted to study pairing correlations across a wide range of effective mass. It is shown that surface-type pairing interaction gives an almost constant pairing gap as a function of the effective mass, while volume-type pairing interaction shows rather strong dependence of the pairing gap upon the effective mass. The local pair potentials of various effective interactions are also examined in relation to the effective mass.

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