The large N perfect action applied to the 2-dimensional O(3) model

被引:3
作者
Tsapalis, A
Wiese, UJ
机构
[1] CTP-LNS, Massachusetts Inst. of Technology, Cambridge
关键词
D O I
10.1016/S0920-5632(96)00823-7
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The large N quantum perfect action for the 2-dimensional O(N) model is derived. This action is used to simulate the O(3) model. The scaling properties of this action are studied and compared with the behavior of the standard and the classically perfect action.
引用
收藏
页码:948 / 950
页数:3
相关论文
共 7 条
[1]   FINITE-LATTICE APPROXIMATIONS TO RENORMALIZATION GROUPS [J].
BELL, TL ;
WILSON, KG .
PHYSICAL REVIEW B, 1975, 11 (09) :3431-3444
[2]   Instantons and the fixed point topological charge in the two-dimensional O(3) sigma model [J].
Blatter, M ;
Burkhalter, R ;
Hasenfratz, P ;
Niedermayer, F .
PHYSICAL REVIEW D, 1996, 53 (02) :923-932
[3]  
GOTTLOB A, HEPLAT9601014
[4]   RENORMALIZED TRAJECTORY FOR NON-LINEAR SIGMA-MODEL AND IMPROVED SCALING BEHAVIOR [J].
GUHA, A ;
OKAWA, M ;
ZUBER, JB .
NUCLEAR PHYSICS B, 1984, 240 (04) :566-576
[5]   PERFECT LATTICE ACTION FOR ASYMPTOTICALLY FREE THEORIES [J].
HASENFRATZ, P ;
NIEDERMAYER, F .
NUCLEAR PHYSICS B, 1994, 414 (03) :785-814
[6]   A NUMERICAL-METHOD TO COMPUTE THE RUNNING COUPLING IN ASYMPTOTICALLY FREE THEORIES [J].
LUSCHER, M ;
WEISZ, P ;
WOLFF, U .
NUCLEAR PHYSICS B, 1991, 359 (01) :221-243
[7]  
Wilson K. G., 1974, Physics Reports. Physics Letters Section C, V12c, P75, DOI 10.1016/0370-1573(74)90023-4