for BCS quasiparticles Combi A combinatorial model for BCS quasiparticles Magne Guttormsen Department of Physics and SAFE University of Oslo
The underlying physics Thermodynamics of N ≈ 100 systems Spin distributions Parity distributions Pair breaking Quenching of pair correlations
Level density and entropy E = 2e E = 0
Single-particle orbitals BCS theory 4
Nilsson scheme pf sd p s 5
Finding excitation energy Quasiparticles Collective motion 6
Moment of inertia R I j 4+ 2+ 0+ 7
Results on titanium 8
Summary Combi is fast Although simple, contains the most Perfect to locate features High spin dependency