2003/05/31 by Tota Nakamura, Shin-ichi Endoh, Takeo Yamamoto · 1 citation
Economics, Econometrics and Finance · Materials Science · Physics and Astronomy · #Complex Systems and Time Series Analysis #Material Dynamics and Properties #Theoretical and Computational Physics #cond-mat.dis-nn #cond-mat.stat-mech
paper · pdf · doi:10.1088/0305-4470/36/43/015
published as J. Phys. A: Math. Gen. 36 No. 43 (2003) 10895 · 14 pages, 7 figures, manuscript revised, incorrect data are withdrawn
arxiv created 2003/08/27 · openalex publication_date 2003/10/15 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
We find the possibility of weak universality of spin-glass phase transitions in three-dimensional ± J models. The Ising, the XY and the Heisenberg models seem to undergo finite-temperature phase transitions with a ratio of the critical exponents γ/ν ∼ 2.4. Evaluated critical exponents may explain the corresponding experimental results. The analyses are based upon nonequilibrium relaxation from a paramagnetic state and finite-time scaling.