Weak universality of spin-glass transitions in three-dimensional ±J models

Tota Nakamura, Shin Ichi Endoh, Takeo Yamamoto

研究成果: Article

23 引用 (Scopus)

抜粋

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.

元の言語English
ページ(範囲)10895-10906
ページ数12
ジャーナルJournal of Physics A: Mathematical and General
36
発行部数43
DOI
出版物ステータスPublished - 2003 10 31

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)

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