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Article overview
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Weak universality of spin-glass transitions in three-dimensional $pm J$ models | Tota Nakamura
; Shin-ichi Endoh
; Takeo Yamamoto
; | Date: |
14 May 2003 | Journal: | J. Phys. A: Math. Gen. 36 No. 43 (2003) 10895 | Subject: | Disordered Systems and Neural Networks; Statistical Mechanics | cond-mat.dis-nn cond-mat.stat-mech | Abstract: | We find a possibility of a weak universality of spin-glass phase transitions in three-dimensional $pm J$ models. The Ising, the XY and the Heisenberg models seem to undergo finite-temperature phase transitions with a ratio of the critical exponents $gamma/
u sim 2.4$. Evaluated critical exponents may explain corresponding experimental results. The analyses are based upon nonequilibrium relaxation from a paramagnetic state and finite-time scaling. | Source: | arXiv, cond-mat/0305314 | Services: | Forum | Review | PDF | Favorites |
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