Critical behavior of frustrated systems: Monte Carlo simulations versus renormalization group

被引：30
|
作者：
Loison, D [1 ]
Sokolov, AI
Delamotte, B
Antonenko, SA
Schotte, KD
Diep, HT
机构：
[1] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany
[2] St Petersburg Electrotech Univ, St Petersburg 197376, Russia
[3] Univ Paris 07, F-75251 Paris, France
[4] Univ Cergy Pontoise, F-95302 Cergy Pontoise, France
来源：
JETP LETTERS | 2000年 / 72卷 / 06期
关键词：
D O I：
10.1134/1.1328451
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the critical behavior of frustrated systems by means of the Pade-Borel resummed three-loop renormalization-group expansions and numerical Monte Carlo simulations. Amazingly, for six-component spins, where the transition is second-order, both approaches disagree. This unusual situation is analyzed both from the point of view of the convergence of the resummed series and from the possible relevance of nonperturbative effects. (C) 2000 MAIK "Nauka / Interperiodica".
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页码：337 / 340
页数：4
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