| 查看: 199 | 回复: 1 | ||
| 当前主题已经存档。 | ||
[资源]
Phase Transitions and Renormalisation Group
|
||
|
Phase Transitions and Renormalisation Group (Oxford Graduate Texts) VO6y9X" By Jean Zinn-Justin U.0/r!po Y%9F -------------------------------------------------------------------------------- x)5v8kgf B+ sq Ej- YTit=4| ,~iAoxD5jY Publisher: Oxford University Press, USA Q7 %#3ML Number Of Pages: 464 #4u; `j"4= Publication Date: 2007-08-30 +60;z4y}w ISBN-10 / ASIN: 0199227195 FCPRg^= ISBN-13 / EAN: 9780199227198 <`qo*__1 Binding: Hardcover 7m Ns kb| mio'm n9Yk;D2 -------------------------------------------------------------------------------- 0k 8SDRWU KRe=n3 1 Book Description: '*; rm*n _K>m9Q2 This work tries to provide an elementary introduction to the notions of continuum limit and universality in statistical systems with a large number of degrees of freedom. The existence of a continuum limit requires the appearance of correlations at large distance, a situation that is encountered in second order phase transitions, near the critical temperature. In this context, we will emphasize the role of gaussian distributions and their relations with the mean field approximation and Landau's theory of critical phenomena. We will show that quasi-gaussian or mean-field approximations cannot describe correctly phase transitions in three space dimensions. We will assign this difficulty to the coupling of very different physical length scales, even though the systems we will consider have only local, that is, short range interactions. To analyze the unusual situation, a new concept is required: the renormalization group, whose fixed points allow understanding the universality of physical properties at large distance, beyond mean-field theory. In the continuum limit, critical phenomena can be described by quantum field theories. In this framework, the renormalization group is directly related to the renormalization process, that is, the necessity to cancel the infinities that arise in straightforward formulations of the theory. We thus discuss the renormalization group in the context of various relevant field theories. This leads to proofs of universality and to efficient tools for calculating universal quantities in a perturbative framework. Finally, we construct a general functional renormalization group, which can be used when perturbative methods are inadequate. Vi_| m?E bJ D" &h5 http://rapidshare.com/files/1020 ... roup_0199227195.rar |
回复此楼» 猜你喜欢
求调剂
已经有23人回复
-
301求调剂
已经有15人回复
-
304求调剂（085602，过四级，一志愿985）
已经有17人回复
-
302分求调剂 一志愿安徽大学085601
已经有12人回复
-
288环境专硕,求调材料方向
已经有23人回复
-
环境专硕调剂
已经有6人回复
-
22408 调剂材料
已经有6人回复
-
285求调剂
已经有12人回复
-
求调剂
已经有6人回复
-
085600材料与化工301分求调剂院校
已经有19人回复
2楼2008-03-26 14:21:09
