The experimental status on the question of a phase transition in spin glasses

Author:

Williams Gwyn

Abstract

Following a brief introduction to spin-glass systems, the current status of experimental evidence on the occurrence of a phase transition is reviewed. Recent analyses of dynamical properties of spin glasses are discussed in terms of several model predictions, including the conclusion of a divergent relaxation time τ at a finite temperature, although with large, non-mean-field indices z and v. The role of regular terms (leading to corrections to scaling) in the nonlinear response are reviewed, stressing their influence on the evaluation of the susceptibility and order-parameter exponents γ′ and β′.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Spin-glass ordering in a spinel ferrite, Mg(Al, Fe)2O4;Journal of Physics: Condensed Matter;2000-10-31

2. Disordered Electronic Materials and Spin Glasses;Computational Approaches to Novel Condensed Matter Systems;1995

3. Spin glass, the travelling salesman problem, neural networks and all that;Pramana;1991-01

4. AC Susceptibility of Dilute Magnetic Systems;Magnetic Susceptibility of Superconductors and Other Spin Systems;1991

5. RESISTIVITY OF THE REENTRANT SYSTEMS NiMn AND a-FeZr NEAR THE FERROMAGNETIC PHASE TRANSITION;Le Journal de Physique Colloques;1988-12

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