/ 95 12 09 7 v 1 1 5 D ec 1 99 5 Proper incorporation of self - adjoint extension method to Green ’ s function formalism : one - dimensional δ ′ - function potential case
نویسنده
چکیده
One-dimensional δ ′ -function potential is discussed in the framework of Green’s function formalism without invoking perturbation expansion. It is shown that the energy-dependent Green’s function for this case is crucially dependent on the boundary conditions which are provided by self-adjoint extension method. The most general Green’s function which contains four real self-adjoint extension parameters is constructed. Also the relation between the bare coupling constant and self-adjoint extension parameter is derived.
منابع مشابه
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