Multi-gap superfluidity in nuclear matter

Details Multi-gap superfluidity in nuclear matter Multi-gap superfluidity in nuclear matter

2000-12-25

arxiv.org/abs/nucl-th/0012089v1

Phys.Lett. B451 (1999) 430-436

Physics

Nuclear Physics

Nuclear Theory

9 pages, 2 figures

Scientific paper

10.1016/S0370-2693(99)00241-5

It is shown that under lowering density or temperature a nucleon Fermi superfluid can undergo a phase transition to a new superfluid state corresponding to superposition of states with singlet-triplet (ST) and triplet-singlet (TS) pairing of nucleons (in spin and isospin spaces). Such states arise as a result of branching from one-gap solution of the self-consistent equations, describing ST pairing of nucleons. The density and temperature dependence of the order parameters for new two-gap solutions is determined in the model with Skyrme effective forces.

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