Abstract
The Proximity Effect in zero field can be explained by solving the first Landau-Ginsburg equation, including the cubic term. The solution of the equation naturally produces a simple and explicit expression of the transition temperature for a SN lamina. The general result obtained is: T CSN T CS =t=1− ξ 2 s B 0 ( 1 d 2 s − 3k d nd S ) For a SS lamina, T CSS is determined by the following equation: 3d S 1−B 0d 2 s( 1−T CSS T S ) ξ 2 s = d n -k T CSS T n which can be converted into an equation of 2nd order in T css. The agreement between the theory and experimental results is quite good and a novel general treatment of the Proximity Effect can be developed.
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