On superconducting transition temperature in amorphous alloys of simple metals

The Eliashberg equations are generalised to describe amorphous binary alloys. Equations for the electron-phonon coupling constant lambda are obtained. An additional term caused by topological disorder appears in the expression for lambda-constant. The features of amorphous state and their influence on lambda-constant and superconducting transition temperature are emphasised and analysed. Theoretical results are illustrated by numerical calculations performed for some binary amorphous alloys of simple metals.