Abstract
In this project, we plan to study models of multi-band superconductors with d-symmetry with competition between pairings with different symmetries. In particular, we will focus initially on systems with two quasi-twodimensional bands with intra-band pairing with B2 symmetry, cos(2\theta), and inter-band interactions (attractive or repulsive) with B1 symmetry, sin(2\theta) (where we used t…