Greens Functions in Quantum Physics

Eleftherios N. Economou9783540122661, 3540122664, 3540288384

The main part of this book is devoted to the simplest kind of Green’s functions, namely the solutions of linear differential equations with a -function source. It is shown that these familiar Green’s functions are a powerful tool for obtaining relatively simple and general solutions of basic problems such as scattering and boundlevel information. The bound-level treatment gives a clear physical understanding of “difficult” questions such as superconductivity, the Kondo effect, and, to a lesser degree, disorder-induced localization. The more advanced subject of many-body Green’s functions is presented in the last part of the book.

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Table of contents :
front-matter……Page 1
1……Page 18
2……Page 35
3……Page 52
4……Page 65
5……Page 86
6……Page 120
7……Page 150
8……Page 181
9……Page 207
10……Page 255
11……Page 269
12……Page 290
13……Page 314
back-matter……Page 341