Nonequilibrium relaxation analysis of the spin-glass correlation length

Tota Nakamura, Takeo Yamamoto

研究成果: Article査読

抄録

Relaxation functions of the spin-glass correlation length are investigated in the three-dimensional ±J XY model. The algebraic divergence is observed at the spin-glass transition temperature, Tsg ≃ 0.45. The finite-time scaling analysis provides results consistent with our previous scaling analysis of the spin-glass susceptibility. The relaxation functions in the low-temperature phase exhibit the same behavior with the Ising spin glass: the exponent is linearly dependent on the temperature as 1/z(T) ≃ 0.21T/Tsg. Relaxation functions of the chiral-glass correlation length do not exhibit such behavior as the spin-glass ones do. All the findings suggest that the transition is driven by the spin degrees of freedom.

本文言語English
ページ(範囲)42-45
ページ数4
ジャーナルProgress of Theoretical Physics Supplement
157
DOI
出版ステータスPublished - 2005

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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