期刊全称 | An Introduction to Quantum Spin Systems | 影响因子2023 | John Parkinson,Damian J J Farnell | 视频video | | 发行地址 | Very useful as a self-study guide.Provides examples and step by step derivations.Goes straight to advanced level teachings.Includes supplementary material: | 学科分类 | Lecture Notes in Physics | 图书封面 |  | 影响因子 | The topic of lattice quantum spin systems is a fascinating and by nowwell-established branch of theoretical physics. However, many important questions remain to be answered. Their intrinsically quantum mechanical nature and the large (usually effectively infinite) number of spins in macroscopic materials often leads to unexpected or counter-intuitive results and insights. Spin systems are not only the basic models for a whole host of magnetic materials but they are also important as prototypical models of quantum systems. Low dimensional systems (as treated in this primer), in 2D and especially 1D, have been particularly fruitful because their simplicity has enabled exact solutions to be determined in many cases. These exact solutions contain many highly nontrivial features. This book was inspired by a set of lectures on quantum spin systems and it is set at a level of practical detail that is missing in other textbooks in the area. It will guide the reader through the foundations of the field. In particular, the solutions of the Heisenberg and XY models at zero temperature using the Bethe Ansatz and the Jordan-Wigner transformation are covered in some detail. The use of approximat | Pindex | Book 2010 |
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