Wilson, BrendanDas, Mukunda P2015-12-130953-8984http://hdl.handle.net/1885/75002In three-band BCS superconductors with repulsive inter-band interactions, frustration between the bands can lead to an inherently complex gap function, arising out of a phase difference between the bands in the range 0 and π. Since the complex conjugateKeywords: Complex conjugates; Complex gaps; Coupling strengths; Multi-band superconductors; Phase difference; Superconductivity; Superconducting materials201310.1088/0953-8984/25/42/4257022016-02-24