內容介紹
This is advanced level textbook which grew out of lecture notes for several graduate corses I taught in different places over several years. It assumes that the reader has background of Quantum Mechanics, Statistical, Mechanics and Condensed Matter Physics. The methods of Green's functions, which are standard by now, and used fairly extensively in the book, and a mathematical introduction is included for those not very familiar with them.本書為英文版。
