Critical behavior and driven Monte Carlo dynamics of the XY spin glass in the phase representation -: art. no. 144203

被引：15
|
作者：
Granato, E [1 ]
机构：
[1] Inst Nacl Pesquisas Espaciais, Lab Associado Sensores & Mat, BR-12245970 Sao Jose Dos Campos, Brazil
来源：
PHYSICAL REVIEW B | 2004年 / 69卷 / 14期
基金：
巴西圣保罗研究基金会;
关键词：
D O I：
10.1103/PhysRevB.69.144203
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A driven Monte Carlo dynamics is introduced to study resistivity scaling in XY-type models in the phase representation. The method is used to study the phase transition of the three-dimensional XY spin glass with a Gaussian coupling distribution. We find a phase-coherence transition at finite temperature in good agreement with recent equilibrium Monte Carlo simulations which shows a single (spin and chiral) glass transition. Estimates of the static and dynamic critical exponents indicate that the critical behavior is in the same universality class as the model with a bimodal coupling distribution. Relevance of these results for pi-junction superconductors is also discussed.
引用
收藏
页码：144203 / 1
页数：4
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