《有限温度场论原理和应用(第2版)》主要内容：what happens when ordinary matter is so greatly compressed that the electrons form a relativistic degenerate gas, as in a white dwarf star? what happens when the matter is compressed even further so that atomic nuclei overlap to form superdense nuclear matter, as in a neutron star? what happens when nuclear matter is heated to such great temperatures that the nucleons and pions melt into quarks and gluons, as in high-energy nuclear collisions? what happened in the spontaneous symmetry break-ing of the unified theory of the weak and electromagnetic interactions during the big bang? questions like these have fascinated us for a long time. the purpose of this book is to develop the fundamental principles and mathematical techniques that enable the formulation of answers to these mind-boggling questions. the study of matter under extreme con-ditions has blossomed into a field of intense interdisciplinary activity and global extent. the analysis of the collective behavior of interacting rela-tivistic systems spans a rich palette of physical phenomena. one of the ultimate goals of the whole program is to map out the phase diagram of the standard model and its extensions.