Solvers for spin symmetric and spin imbalanced systems

Figure taken from: Wosnitza, J., ANNALEN DER PHYSIK 2018, 530, 1700282. https://doi.org/10.1002/andp.201700282
W-SLDA Toolkit can solve problems
- with imposed spin symmetry (Na=Nb)
- with broken spin symmetry (Na≠Nb) where exotic superfluid phases may arise (like LOFF state)