介观物理是凝聚态物理的一个活跃的分支。自八十年代初以来， 已迅速发展成为函盖基础与应用研究的领域。

本书是一本研究生教材，主要介绍介观系统中的电子输运理论。由于介观物理方面的教科书不多，本书的出版受到欢迎。

本书比较系统地介绍了介观量子输运的两种主要理论，即“散射矩阵理论”和“非平衡格林函数理论”，但以前者为主。另外，也讨论了两种理论之间的联系。书中对基本概念的阐述比较清晰，内容循序渐进，每一章首有引导，章末有小结及习题，书末还附有题解，比较适合教学的需要。

Acknowledgements

A few common symbols

Introdctory remarks

1 Preliminary concepts

 1.1 Two-dimensional electron gas(2-DEG)

 1.2 Effective mass,density of states ect.

 1.3 Characteristic lengths

 1.4 Low-Field magnetoresistance

 1.5 High-field magnetoresistance

 1.6 Transverse Modes(or magneto-electric subbands)

 1.7 Drift velocity of Fermi velocity?

 Summary

 Exercises

2 Conductance from Transmission

 2.1 Resistance of a ballistic conductor

 2.2 Landauer formula

 2.3 Where is the resistance?

 2.4 What deos a voltage probe measure?

 2.5 Non-zero temperature and bias

 2.6 Exclusion principle?

 2.7 When can we use the Landauer-Buttiker formalism?

 Summary

 Exercises

3 Transmission function,S-matric and Green's functions

4 Quantum Hall effect

5 Localization and Fluctuations

6 Double-barrier tunneling

7 Optical analgoies

8 Non-equilibrium Green's function fromalism

Concluding remarks

Solutions of exercises

Index