Relativistic tight-binding calculations of x-ray absorption and magnetic circular dichroism at the L2 and L3 edges of nickel and ironRemoveN. V. Smith, C. T. Chen, F. Sette, and L. F. MattheissPhys. Rev. B 46, 1023 (1992)
Approximate solutions for the Bogoliubov–de Gennes equations: Superconductor–normal-metal–supercondcutor junctions and the vortex problemRemoveWilliam L. ClintonPhys. Rev. B 46, 5742 (1992)