【摘要】 本文讨论了共形对称性，量子共形对称理论以及相变现象。讨论了二维共形场论中最基本的自由玻色场和费米场，也介绍了玻色化、高斯泛函、ＳＧ模型及其简单应用更多还原

【Abstract】 An introduction is given to the conformal symmetry, quantum conformal field theory and phase transition. We discuss the basic two dimensional free bosons and fermions, the methods of bosonization and Gaussian wave functional, the sine -Gordon model and its simple applications.更多还原